cross-over detector

1. детектор перехода через нуль

1. детектор перехода через нуль
2. детектор перехода сигнала через нуль

1. zero-crossing detector
2. cross-over detector

- 5-side turret head
- added head
- adjustable boring head
- air gage head
- air plasma arc cutting head
- all-angle milling head
- angle gage dividing head
- angle head
- angled probe head
- angular head
- angular-positioning head
- articulating head
- assembling head
- attachment head
- autoindexing head
- automatic two-speed geared head
- axial tapping head
- ball-shaped head
- belt head
- bending head
- bidirectional planing head
- binding head
- birotary head
- bolt head
- boring head
- boring/milling head
- boring, drilling and milling head
- boring-and-facing head
- broach pull head
- broaching head
- buffing head
- button head
- capstan head
- cartridge head
- cassette head
- cassette-type spindle head
- center head
- chamfering head
- cheese head
- chisel head
- circular-type die head
- clamping head
- cluster head
- CNC angular-positioning head
- CNC milling heads
- combination head
- compound swivel spindle head
- compound-angle head
- contact head
- contacting head
- contouring head
- control wheel head
- copying head
- counterbalanced head
- counterboring head
- countersunk head
- coupling head
- cross beam head
- cross feed facing head
- cross feed head
- cross head
- cross milling-and-drilling head
- cross-rail head
- cup head
- cup-shaped head
- cutter head
- cutting head
- cylinder head
- detecting head
- detector head
- diamond knurled head
- die head
- direct-drive head
- direct-indexing head
- discharge head
- distributor head
- dividing head
- double swivel-mounted spindle head
- draw head
- drawing head
- dressing head
- drill head
- drill/tap head
- drilling head
- drilling-and-tapping head
- driving head
- dual chucking heads
- dual grinding head
- dynamic head
- effective head of pump wheel
- effective head of turbine wheel
- effective head
- electric gage head
- electric switching gage head
- electronic gage head
- end-rolling head
- engagement head
- erase head
- erasing head
- exchange gripper head
- extension head
- face-milling head
- face-mill-type cutter head
- facing head
- fang head
- fastener installation head
- feeding head
- feed-out head
- filister binding head
- filister head
- finish boring head
- fixed head
- flame tube head
- flange head
- flat head
- flexible spanner head
- flexible wrench head
- flush head
- forcing head
- fork head
- full CNC-controlled dividing head
- gage head
- gang head
- gear head
- Geneva head
- gib head
- globe head
- grinding head
- grinding wheel head
- gripper head
- half-countersunk head
- hammer head
- hex washer head
- hexagon head with collar
- hexagon head with flange
- hexagon head with washer face
- hexagon head
- hexagon turret head
- hexagonal head
- HF head
- high-speed head
- hob swivel head
- honing head
- horizontal milling head
- horizontal spindle head
- horizontal/vertical cutter head
- horizontal/vertical machining head
- hydraulically counterbalanced head
- impeller head
- index head
- indexing head
- indicating head
- inductance-type gage head
- inductive gage head
- insertion head
- instrument head
- integral facing head
- interchangeable head
- interchangeable horizontal spindle head
- keyway-cutting head
- knurled head
- knurling head
- L head
- laser gage head
- laser head
- laser-cutting head
- lever head
- live head
- live-tooling head
- loose head
- low head
- lubrication mist head
- lug head
- machine head
- machining head
- magnetic head
- manually indexable head
- master head
- maximum head
- measuring head
- mechanical dividing head
- micro-adjustable boring head
- micrometer head
- MIG welding head
- milling head
- milling spindle head
- milling-drilling head
- minimum head
- mist head
- modified boring head
- modular head
- movable head
- movable-armature gage head
- multiaxis head
- multidrill head
- multidrill/tap head
- multiple-blade gear-cutting head
- multiple-cutter head
- multiple-drill head
- multiple-sensor head
- multiple-spindle drill head
- multiple-spindle drilling head
- multiple-spindle machining head
- multipoint facing head
- multipurpose head
- multipurpose spindle head
- multispindle drilling-and-tapping head
- multispindle head
- multistation turret drilling head
- multitapping head
- multitool planing head
- multivertical spindle head
- mushroom head
- NC indexing head
- NC/TP head
- net positive suction head
- nonrotating die head
- nontilting head
- notched head
- numbering head
- nut installation head
- nutating head
- octagonal head
- offset boring head
- offset drill head
- offset head
- oil-cooled rotating machining head
- oil-pressure head
- optical dividing head
- optical scanning head
- orbiting head
- outfeed head
- oval binding head
- oven head
- pan head
- perception head
- Philips head
- photoelectric detector head
- photooptical reader head
- pickup head
- pinched head
- pipe-threading die head
- piston head
- pivot-action cutting head
- plain dividing head
- plain index head
- plain indexing head
- planer head
- planer milling head
- planetary thread-milling head
- planing head
- plasma-arc cutting head
- plotting head
- plunge milling head
- poppet head
- positive suction head
- power head
- precision concentric laser head
- pre-gaged cutting head
- pressure head
- primary head
- printer head
- probe head
- profiling head
- pulling head
- pump head
- punching-and-cutting head
- quill-adjustable cutter head
- quill-type head
- radial tapping head
- rag head
- rail head
- rail tool head
- raised cheese head
- raised countersunk head
- ram head
- ram-milling head
- ram-mounted machining head
- ram-type cutter head
- ram-type machining head
- randomly selectable head
- rated head
- read head
- read/write head
- reader head
- reading and writing head
- reading head
- read-record head
- reaming head
- recessing head
- record head
- recording head
- remote receiver head
- reproducing head
- resistance welding head
- retriever head
- right angle drill head
- right-angle head
- right-angle milling head
- right-angled head
- right-angled milling head
- riveted-over head
- rotary feeding head
- rotating reading head
- rotating tool head
- rough boring head
- round head
- round rivet head
- router head
- routing head
- saw head
- scanning head
- scanning tracing head
- screw die head
- self-opening die head
- sensing head
- sensor head
- set head
- shifting head
- side head
- side tool head
- simple spindle head
- single plate head
- single swivel-mounted spindle head
- single-cutter boring head
- single-cutter head
- sleeve-milling head
- slide-milling head
- sliding drill head
- sliding head
- sliding spindle head
- sliding vertical saddle spindle head
- slotted head
- slotting head
- snap head
- socket head
- solid head
- spark-erosion head
- spiked head
- spindle head
- spiral index head
- spiral-cutting head
- spiral-milling head
- spray head
- square head
- squeeze head
- start-up head
- static head
- static suction head
- steep head
- steeple head
- stock head
- stopper head
- straight knurled head
- straight side binding head
- suction head
- superfinishing head
- surfacing head
- swing-aside spindle head
- swinging head
- swing-on vertical head
- swivel head
- swivel spindle head
- swivel-block head
- swiveling head
- swiveling horizontal/vertical spindle head
- swiveling two-axis head
- swiveling vertical/horizontal head
- swivel-mounted head
- tandem-milling head
- tangential die head
- tapping head
- teaching head
- tension head
- T-head
- theoretical head
- thread head
- thread-cutting die head
- thread-cutting head
- threading head
- thread-rolling head
- thumb head
- tilting head
- tilting spindle head
- tool head
- tool post side head
- tool-carrying head
- tool-feeding head
- toolholder head
- tool-holding head
- tool-support head
- tool-supporting head
- torsion head
- total head
- tracer head
- tracing head
- transferrable head
- traveling head
- traversing spindle head
- trepanning head
- triangle head
- trigger probe head
- tripet turret head
- triple spindle head
- truss head
- turning head
- turret drilling head
- turret head
- twin-axis contour-facing head
- twin-cutter boring head
- twin-tool boring head
- two-flute boring head
- two-fluted boring head
- two-position cutter head
- two-position spindle head
- undercut countersunk head
- undercut raised countersunk head
- unit head
- unit spindle head
- unit-type boring head
- unit-type drill head
- unit-type mill head
- unit-type milling head
- universal boring head
- universal cutter head
- universal dividing head
- universal indexing head
- universal milling head
- upset head
- upstroking head
- vacuum head
- valve head
- velocity head
- vertical head for horizontal milling machine
- vertical milling head
- vertical/horizontal rotary head
- V-shaped head
- waisted head
- washer head
- welding head
- wheel head
- wobble broaching head
- wobble head
- work-carrying head
- workpiece-gripping head
- wrench head
- write head
- write-read head
- writing head
- X axis-controlled head
- Y axis-controlled head
- Z axis-controlled head

pointer, needle, arrow
- (задатчика) — arrow
- (на корпусе агрегата, трубопровода и т.п.) — arrow
установить индукционный датчик в положение по стрелке, нанесенной на корпуce датчика. — install the flux-gate detector in the direction indicated by the arrow marked on the detector casing.
- (на линиях графика, чертеже, иллюстрации) — arrow. the chart may also be read in the reverse direction to the arrows.
- (прибора) — pointer, needle
подвижный индекс, перемещающийся по шкале измерительного прибора. — а slender rod that moves over the scale of a meter.
- арк (прибора нпп) — rb pointer, relative bearing pointer
- бокового движения, командная (прибора пкп, кпп) — roll command /steering/ bar
- бокового движения, командная (см. планка положения курса прибора пнп) — lateral /course/ deviation bar
- бокового канала, директор ная (прибора кпп) — roll command /steering/ bar
- (планка) высоты (прибора слепой посадки) — glide-slope (gs) pointer /needle/
- высоты и отклонения от курсовой зоны (луча крм) (прибора кпп) — radio altitude and localizer (deviation) pointer
- (планка), глиссадная (прибора слепой посадки, псп) — glide-slope (gs) pointer /needle/
-, двойная (измерителя курсовых углов, радиомагнитн. индикатора) — double pointer (of rmi)
-, директорная — command bar
-, директорная (крена, тангажа) — (roll, pitch) command bar
-, директорная, v-образная (прибора пкп) — v-command bar, v-bar command indicator
- заданного азимута — azimuth arrow
- заданного курса (прибора нпп) — heading arrow, hdg arrow
зк отсчитывается no шкале текущего курса. — heading is read against the compass card.
- заданного путевого угла (зпу) — course /track/ arrow
стрелка планового навигационного прибора (пнп), устанавливаемая на курс (луч) станции вор или курсового радиомаяка (крм) при помощи кремальеры зпу (рис. 73). — the course (or track) arrow is set to the desired vor radial or localizer course on the compass (azimuth) card by rotating the course knob.once set, the course arrow will rotate with the card to give a continuous reading of the selected course.
- "k-ot" — то-from arrow
стрелка планового навигационного прибора, показывающая направление полета к радиостанции или от рс. при пролете станции стрелка изменяет свое положение на обратное для правильной индикации направления на станцию. (рис. 73) — the to-from arrow always indicates the direction toward the vor station along the course selected by the course knob. when the aircraft passes the station, the to-from arrow reserves to give the correct indication.
-, командная — command /steering/ bar
- командная, v-образная (прибора пкп) — v-command bar, v-bar command indicator

the aircraft symbol is flown into the v-command bars until the two are aligned.
- крена, директорная (командная) (рис. 70, 72) — roll command /steering/ bar /needle/
- кур (курсового угла радиостанции прибора нпп) — relative bearing pointer, rb pointer

presentation of the relative bearing of a radio station (vor).
- курса, директорная (командная) (прибора пкп) — roll command bar
выдает команду на возвращение к заданному курсу по сту. убирается при включении сту или отказе в канале курса. — displays roll command from selected fd. retracted when fd is off or if a failure occurs in roll channel.
- (планка) курса (прибора псп) (рис. 69) — localizer (loc) pointer /needle/
-, курсовая (прибора с левой посадки) — localizer (loc) pointer /needle/
- курсового угла радиостанции — relative bearing pointer, rb pointer
- курсозадатчика (прибора угр) — heading arrow
- (малой) высоты и отклонения от курсовой зоны (прибора кпп) — radio altitude and localizer pointer. indicates aircraft altitude above terrain and lateral displacement from the center of a localizer beam.
-, минутная (часов) — minute hand
- направления, директорная — localizer (deviation) pointer
(прибора кпп см. стрелка отклонения от лзп)
- направления, директорная (прибора нпп) — localizer pointer, loc pointer
- обратного курса (следования) — reciprocal course arrow
-, одиночная (измерителя курсовых углов) — single pointer (of rmi)
- "от" (прибора пнп) — from arrow
- отклонения от заданной линии пути (планка положения курса) (рис. 73) — (selected) course deviation bar
- отклонения от заданной траектории (по глиссаде и высоте) — glide slope and (radio) altitude deviation pointer, (gs and rad alt pointer)
- отклонения от курсовой зоны (прибора пкп или кпп) — localizer (deviation) pointer. displays lateral displacement from the center of a localizer beam.
- отклонения от лзс (прибора кпп) — localizer deviation pointer, loc (deviation) pointer
- отклонения от осевой линии впп (приборов пкп и кпп) — runway symbol. representative of the runway center line.
- отклонения от равносигнальной зоны глиссады при посадке и от заданной высоты полета — glide slope and (radio) altitude deviation pointer
- по крену, командная — roll command bar
- по курсу, командная (рис. 72) — roll command bar
- полетного времени (бортовых часов, напр., ачс) — elapsed time hand
- положения (приборов нпп, пкп, кпп) — deviation pointer
- положения (пнп) — deviation bar
- положения (прибора псп) (рис. 69) — ils indicator cross pointer, zero-reader flight director indicator pointer
- положения бокового канала (прибора кпп) — localizer deviation pointer, loc pointer, loc-vor pointer
- положения (отклонения от глиссады прибора пнп) (рис. 73) — glide slope (gs) deviation bar
- положения глиссады (приборов кпп, нпп, пкп, псп) (рис. 70, 71, 72) — glide slope pointer, gs pointer
- положения заданной линии пути (прибора кпп) — l о с - v о r / v о r - l о с / pointer, loc pointer, v/l pointer
индикация отклонения от курса вор или крм. — presentation of deviation from vor radial or localizer course.
- положения (относительно) заданной траектории в вертикальной плоскости (прибора кпп) — glide slope deviation pointer, gs pointer
- положения заданной траектории (по глиссаде) (прибора кпп) — glide slope (deviation) pointer, gs pointer
- положения заданной траектории (по курсу) — localizer (deviation) pointer, loc pointer
- положения (относительно) заданной траектории в горизонтальной плоскости (прибора кпп) — localizer deviation pointer, loc pointer
- положения курса (рис. 73) — course deviation bar
- положения курса (на крм) — localizer (loc) pointer
- положения курса (по курсу) (приборов кпп, пкп) — l о с - v о r / v о r - l о с / pointer, loc pointer, v/l pointer
индикация бокового отклонения от курса вор или крм. — presentation of deviation from vor radial or loc course.
- положения, срабатывающая от сигнала "стабилизация высоты" (прибора кпп) — gs (deviation) pointer
- положения v (прибора кпп) — gs deviation pointer, gs pointer (gs pntr)
- положения (прибора кпп) — localizer deviation pointer, loc pointer (loc pntr)
- по тангажу, командная (рис. 72) — pitch command bar, pitch bar
- продольного движения (канала), командная (директор ная) (приборов пнп, кпп) (рис. 70, 72) — pitch command /steering/ bar
- радиовысоты (прибора пнп) — radio altitude pointer

" the radio alt flag appears and covers the radio altitude pointer.
- секундная (часов) — second hand
-тангажа, директорная (командная) (прибора пкп) — pitch command /steering/ bar, pitch bar
выдает команду на возвращение к заданному положению по тангажу по сту. убирается при выключении сту или отказе в канале тангажа (рис.72) — displays pitch command from selected fd. retracted when fd is off or if a failure occurs in pitch channel.
- (-) указатель угла сноса (рис. 73) — drift pointer
-, центральная секундная — sweep second hand
- часов — clock hand
вид по с. "а" (на чертеже) — view а
возвращение с. (прибора) в исходное (нулевое) положение — pointer return to zero
выдача информации на стрелку — information presentation on pointer.

steering information is presented on the steering pointer.
движение с. — pointer movement
заброс с. — pointer overswing
замедленное возвращение с. в исходное (нулевое) положение — pointer sluggish return to zero
затухание колебаний с. — damping of pointer oscillation
колебание с. — pointer oscillation
конец с. — pointer tip
недоход с. (до отметки) — pointer is short of...
неплавность хода с. — unsmooth movement of pointer
несимметричность отклонения с. — difference between pointer deflections
отклонение с. (полное) — (full-scale) pointer deflection
отклонение с. а любую сторону — pointer deflection to either side
переброс (качание) с. — pointer swinging
переход (заброс) с. (прибора при испытании на время полного успокоения) — overswing of'the pointer
по с. "а" (ссыпка на чертеж) — as indicated by arrow "a"
по часовой с. — clockwise (cw)
против часовой с. — counterclockwise (ccw)
сигнал подается (поступает) на с. (планку прибора) — signal operates pointer /command bar/
смещение с. — pointer displacement
выдерживать командную с. (по курсу) на нулевом индексе — keep (roll) command bar centered
не реагировать (на входной сигнал, о стрелке) — fail to respond
передаваться на с. (о к-л. величине на индикацию) — be indicated /displayed, presented/ by pointer
пилотировать (самолет) по командным стрелкам — fly (aircraft) using the display of command bars
поворачивать по часовой с. — turn clockwise
поворачивать против часовой с. — turn counterclockwise
прекращать пилотирование по командным стрелкам — disregard display of command bars
приближаться к нулевой отметке шкалы (о стрелке положения нпп) — be approximately centered (of gs or loc pointer)
ударяться об ограничитель (о стрелке) — slam against stop. the pointer slams against the pointer stops at either end of the scale.
устанавливать с. на отметку шкалы — set /place/ pointer to /at, against/ scale point

- belt anchorage location - belt anchorage point - belt-and-pulley arrangement - belt-and-pulley drive - belt and straight grinder - belt angle - belt brake - belt bucket-elevator - belt carcass - belt carrier - belt catch - belt cement - belt-chain conveyer - belt channel - belt clamp - belt-cleaning device - belt cone - belt-conveyed concrete - belt conveyer - belt-conveyer weigher - belt conveyor - belt creep - belt deflection - belt-down the road - belt dressing - belt-dressing composition - belt drive - belt-drive configuration - belt-driven - belt-driven hammer - belt-driven handpiece - belt-driven machine - belt-driven shuttle - belt-driven shuttle unit - belt-driven spindle - belt-driven wheelhead - belt driving - belt-driving over - belt-driving under - belt-drop hammer - belt-drop stamp - belt duck - belt dynamometer - belt fastener - belt feed - belt filter - belt finisher - belt flapping - belt for windshields - belt fork - belt-fray indicator - belt gear - belt gearing - belt grade - belt grinder - belt grinding - belt-grinding - belt-grinding machine - belt guard - belt-guard grid - belt guide - belt-guide fork - belt hammer - belt head - belt highway - belt hook - belt horsepower - belt idler - belt joint - belt lace - belt lacing - belt line - belt-line highway - belt-line railroad - belt loader - belt-machining apparatus - belt magazine - belt misalignment - belt modulus - belt mounting point - belt of land - belt-on control device - belt-operated - belt performance - belt pitch - belt-pitch line - belt polisher - belt power - belt pretension - belt pull - belt-pulley crown diameter - belt-pulley flywheel - belt punch - belt rail - belt railroad - belt release - belt-release button - belt reverser - belt reversing - belt ring - belt rivet - belt road - belt roller - belt route - belt sag - belt-sag factor - belt sagging - belt sander - belt saw - belt screen - belt screw - belt sheave - belt shifter - belt shifter cam - belt-shifting device - belt-shifting fork - belt-shifting mechanism - belt-shuttle unit - belt sling - belt slip - belt-slip detector - belt slipper - belt-slope tension - belt sorter - belt spindle - belt stacker - belt stress - belt stretcher - belt-stretching roller - belt tautness - belt tension - belt-tension adjuster - belt-tension adjustment - belt-tension lever - belt tensioner - belt tensioning - belt-tensioning bolt - belt test - belt tightener - belt-tightening pulley - belt track - belt transmission - belt transporter - belt tripper - belt-turnover system - belt-twist system - belt-type conveyor - belt-type desintegrator - belt-type feeder - belt-type grinder - belt-type levelling device - belt-type toolchanger - belt whipping - belt with half twist - belt with reinforced edge - belt work - active safety belt - armored belt - automatic seat belt control unit - automatic shoulder seat belt control belt - auxiliary drive belt - balance shaft belt kit - balata belt - banded-together belt - bare duck belt - buckle one's belt - buffing belt - camel hair belt - canvas belt - cemented belt - chain belt - channel belt - cleated belt - closed loop belt - coated abrasive belt - cog belt - cogged belt - continuous belt - conveyer belt - conveying belt - conveyor belt - conweigh belt - cord belt - cotton belt - crawler belt - cross belt - crossed belt - cross-stitched belt - discharge belt - double-layer belt - drive belt - driving belt - elevator belt - emery belt - endless belt - endless metal belt - face belt - fan belt - fasten one's belt - feed belt - finishing belt - flat belt - floating belt - flue belt - gate belt - glued belt - green belt - grinding belt - grinding aid belt - gut belt - half-crossed belt - halved belt - hemp belt - high-speed reversing belt - inclined belt - indexing belt - inertia safety belt - inertia seat belt - laced belt - laminated belt - lap belt - layered belts - leather belt - link belt - link leather belt - loosen one's belt - main belt - main driving belts able to transmit any required H.P. - mesh belt - metal belt - mother belt - multiple-V belt - oblique belt - open belt - perforated belt - poly-V belt - power transmission belt - quarter-turn belt - quarter-twist belt - radius belt - raised rib belt - resin-bond cloth belt - return belt - reverse belt - reversible belt - round belt - round driving belt - round-section driving belt - rubber belt - rubber-impregnated belt - safety belt - sand belt - sanding belt - seat belt - seat-integrated seat belt - seed belt - self-retracting seat belt - serpentine belt - sewn belt - shelter belt - shifting belt - shoulder belt - three-point seat belt - single-ply belt - solid woven conveyor belt - split belt - steel belt - steel cord conveyor belt - stepped-ply belt - stitched belt - stretching of a belt - synchronous belt - take up the belt - tapered grinding belt - three-ply belt - throw-off the belt - tighten belt - timing belt - toothed belt - transmission belt - travelling belt - triangular belt - turn belt - two-ply belt - two-point seat belt - undo one's belt - V-belt - V-ribbed belt - V-shaped belt - variable speed belt - variable speed V belt - vee belt - wedge belt - weigh belt - wet grinding belt - wind belt - woven fabric belt

– affinity ratio
– anharmonic ratio
– aperture ratio
– area-distortion ratio
– area-moment ratio
– aspect ratio
– atomic ratio
– barter-price ratio
– blade-area ratio
– breeding ratio
– brightness ratio
– compression ratio
– contraction ratio
– contrast ratio
– conversion ratio
– correlation ratio
– count-down ratio
– cross ratio
– crystal ratio
– Damkohler's ratio
– daylight ratio
– deformation ratio
– dilution ratio
– double ratio
– downtime ratio
– draft ratio
– drift ratio
– excess air ratio
– expansion ratio
– extension ratio
– failure ratio
– fatigue ratio
– fineness ratio
– fission ratio
– frequency ratio
– front-to-back ratio
– fuel-air ratio
– fuel-weight ratio
– gear ratio
– golden ratio
– gyromagnetic ratio
– image ratio
– in the ratio
– incremental ratio
– inverse ratio
– inversion ratio
– isotopic ratio
– lay ratio
– lift-drag ratio
– likelihood ratio
– magnification ratio
– mesh ratio
– mixture ratio
– noise ratio
– permeability ratio
– picture ratio
– pitch ratio
– Poisson's ratio
– power-to-displacement ratio
– power-to-size ratio
– power-to-volume ratio
– power-to-weight ratio
– propagation ratio
– pulse ratio
– pumping ratio
– ratio detector
– ratio discriminator
– ratio of exaggeration
– ratio of reduction
– ratio of slope
– ratio scale
– read-around ratio
– reciprocal ratio
– reduction ratio
– reflux ratio
– reset ratio
– resetting ratio
– resolution ratio
– ripple ratio
– scaling ratio
– selection ratio
– selector ratio
– shape-distortion ratio
– shrinkage ratio
– signal-to-noise ratio
– similarity ratio
– Strehl ratio
– Student s ratio
– suppression ratio
– thickness ratio
– thrust-to-weight ratio
– transformation ratio
– turnover ratio
– turns ratio
– variance ratio
– velocity ratio
– void ratio
– void-solid ratio
– voids ratio
– volume ratio
– water-cement ratio

aspect ratio of wing — относительное удлинение крыла

capital output ratio — коэффициент производства

common-mode rejection ratio — < radio> коэффициент ослабления синфазных сигналов, коэффициент попадания синфазной помехи, коэффициент подавления синфазной помехи

depth/width weld ratio — <tech.> кинжальность, степень кинжальности

excess oxidant ratio — <engin.> коэффициент избытка окислителя

fineness ratio of fuselage — относительное удлинение фюзеляжа

high thrust-to-weight ratio — <engin.> избыток тяги

image interference ratio — < radio> коэффициент зеркальных помех

image-frequency rejection ratio — < radio> селективность по зеркальному каналу

inversion level ratio — коэффициент инверсии

nozzle area ratio — уширение сопла

over-all aperture ratio — ограничение апертуры

preventive maintenance ratio — коэффициент профилактики

pulse scaling ratio — < radio> коэффициент понижения частоты

ratio of capital investment — вложение удельное капитальное

reciprocal transfer ratio — <tech.> коэффициент преобразования двойной

supercharging pressure ratio — <engin.> степень наддува, степень форсировки наддувом

tare-load ratio of a railcar — коэффициент тары вагона

torque weight ratio — добротность измерительного прибора

transformer voltage ratio — коэффициент трансформации

- system of catalogs - system of catalogues - system of forces - system of ground points - system of road signs - system of scaffolds - acoustic signalling system - active residential solar heating system - aeration system - air-brake system - air-comfort system - air-conditioning system - air-curtain system - air-foam system - airline system - airline vacuum system - air-pressure water system - all-outside air-conditioning system - arch system - arch-and-pier system - audible alarm system - Automated Data Management System in Building - ADMSB - automatic fire alarm system - balanced system of ventilation - bar system - basic system - beam system - blower system - British absolute system of units - building system - building central air conditioning system - building solar optical system - bypass pipe system - cable system - cantilever tieback system - cathodic protection system of pipelines - central fan electric heating system - central hot water supply system - check-board system - circulating water system - closed system - closed heat supply system - closed pipeline system - collecting system - colour spraying systems - combined extract-and-input system - combined sewerage system - community complete system in containers or skids - composite cable roof system - compressed-air system - computer-aided system - consolidated power system - control system of survey - cooling system - cooling pipe system - coordinate system - curing system - decimal system - designation system - discrete system - discrete-continual system - distributing system - district heating system - double-pipe system - double-pipeline system - double-pipe riser system - downward system of ventilation - drainage system - drencher system - drop system - dry pipe sprinkler system - dry return system - duct system - earthling system - ejector system - elastic system - electric heating system - embedded panel system - emergency power supply system - energy recovery system - engineer's system of units - filling system of navigation lock - filtration system - fire-alarm sounding system - fire-fighting system - fire-sprinkling system - fire warning system - fixing systems - flange system - flooding system - floor system - floor system of bridge - floor heating system - flow-through system - flue gas cleaning system - fluid power system - forced circulation system - four-axis system - framed system - gas heating system - glaze systems - gravity system - gravity water supply system - grid system - hazard system - heating system - heat pump system - heat supply system - high pressure air-conditioning system - high velocity air-conditioning system - hinged system - hoisting system - hot air system - hot blast system - hot water supply system - inflation system - instantaneously variable system - integral deck system - integrated dispatching system - invariable system - ion-exchange system - irrigation system - land system - large public water system - lateral system - left-handed system - lighting system - local air-conditioning system - lock-filling system - long-line system - low pressure air-conditioning system - low velocity air-conditioning system - low voltage system - main system - management system - measuring system - mechanical systems of a house - medium-size public water system - membrane system - metric system - modular coordinating space system - monitoring system - multistage gas supply system - network system - observing system - once-through system - one-layer cable system - one-pipe heating system - one-pipe loop system - open system - open heat supply system - open return system - overhead system of heating - overhead heating system - panel air system - panel cooling system - pipeline system - piping system - plane system - plumbing system - pollution control system - population settlement group system - post-tensioned system - potabilization system - power system - power-reservoir system - pressurized water treatment system - pre-tensioned system - primary system - public transport system - public water system - public waterworks system - quality control system - quarternary system - railroad system - recirculated heating system - recirculation duct air conditioning system - recool system - rectangular system of street layout - reliability coefficients system - remote control system - reusing water supply system - rigid cable roof system - ring heating system - roll-cap system - round duct system - safety valve of a hydraulic system - saprobity system - separate sewerage system - septic system - sewerage system - single duct air-conditioning system - single-stage system - single-track automatic block system - slab-stringer system - smoke-detector system - solar aquatic system - solar cooling system - solar heating system - solar thermal power system - space system - split system - sprinkler system - statically determinate system - statically indeterminate system - steel plate system - structural system - supply air system - suspension system - thermal reheat system - three-dimensional system - three-way system of reinforcement - thrust system - total energy system - two-dimensional system - two-duct air-conditioning system - two-layer cable roof system - two-pipe water heating system - underfloor heating system - underground cable system - unified modular coordination system - universal sewerage system - upfeed water heating system - up-lighting system - utility system - utility detection system - vacuum system - vandalproof system - variable air volume system - ventilation system - warning system - waste treatment system - waste water system - water system - water measuring systems - water purification system - water quality system - water quality indicator system - water supply system - water supply by zones system - water treatment systems - wind bracing system - zone system - system of forces
- system of masses
- system of scaffolds
- ABC system
- AC system
- acoustical ceiling system
- active solar energy system
- aesthetic value system
- air classification system
- air cycle refrigerating system
- airfield soil classification system
- air pollution control system
- air-to-air system
- air-to-water system
- air transport system
- alarm system
- all-air system
- all outside air system
- all-water coil system
- all water fan coil system
- approach lighting system
- arterial system
- Atterberg soil classification system
- audio alarm system
- automated casting system
- automatic fire alarm system
- automatic fire protection system
- automatic flushing system
- balanced system
- balanced system of streets
- balanced ventilation system
- bar system
- beam structural system
- bell alarm system
- Benoto piling system
- bivalent heat pump system
- bleed-in system
- blow and exhaust system
- blow through air-conditioning system
- blow through fan system
- bootstrap system
- box system
- bridge deck structured system
- British soil classification system
- building system
- building automation system
- building-drainage system
- building gravity drainage system
- building management system
- built-in dust suppression system
- burglar alarm system
- cable system
- central air heating system
- central fan system
- centralized hot-water supply system
- central plant air conditioning system
- changeover system
- circulating system
- circulation water supply system
- circulation water system
- closed system
- closed heat-supply system
- closed-loop heat pump system
- closed-type steam heating system
- coding system
- cogeneration system
- cold supply system
- collapsing-ring bridge rail system
- combined drainage system
- combined sewage system
- complanar system of structural members
- complanar force system
- complete-mix activated sludge system
- composite frame system
- compression system
- concrete suspended flooring system
- constant volume system
- continuous conveying system
- continuous suspension system
- control system
- cooling system
- coordinate system
- cost-efficient floor system
- crossbar approach lighting system
- cross blow ventilation system
- curtain walling system
- custom forming system
- decentralized air conditioning system
- decentralized sewerage system
- deluge sprinkler system
- desiccant cooling system
- designation system
- design-built system
- diffusion-absorption system
- digital indicating system
- direct system
- direct air heating system
- direct cooling system
- direct expansion system
- direct hot water system
- direct hot-water supply system
- direct return system
- direct through air-conditioning system
- distribution system
- domestic hot water system
- domestic sewerage system
- "Dot" recording system
- double-pipe system
- double stack system
- down-feed system
- drainage system
- draw-in system
- draw-through fan system
- draw-through system
- drencher system
- drop system
- dry-pipe sprinkler system
- dual conduit system
- duct system
- ductless split air conditioning system
- dust collecting system
- dust extract system
- early warning system
- economical floor system
- ejector refrigerating system
- elastic mechanical system
- elastic system
- electric heating system
- electric reheat system
- energy management system
- environmental system
- exhaust system
- extract system
- FAA soil classification system
- fan coil system
- Federal aviation administration soil classification system
- fire alarm system
- fire-extinguishing system
- fire protection system
- flat plate-pipe column floor system
- floor structural system
- floor system
- flow-through system
- F-number system
- force system
- forming-and-reinforcing system
- Forton system
- four pipe system
- gantry crane system
- gas heating system
- gravity system
- gravity-flow heating system
- gravity sewerage system
- gravity steam heating system
- gravity water-supply system
- grid coordinate system
- gridiron distribution system
- grounding system
- groundwater control system
- group water supply system
- gyratory system
- heat distribution system
- heating system
- heat-of-light system
- heat pump system
- heat recovery system
- heat supply system
- heat-traced system
- high-intensity lighting system
- high temperature hot-water heating system
- high velocity system
- hold-over system
- holonomic system
- hot-air system
- hot water system
- hot-water circulation system
- hush piling system
- hybrid system
- hydraulic control system
- hydrophilic system
- hydrophobic system
- indirect expansion system
- indirect hot-water supply system
- indirect refrigeration system
- individual sewage-disposal system
- induction air conditioning system
- induction system
- industrialized building systems
- inflation system
- instrument landing system
- integral deck system
- integrated distribution floor system
- inverter driven VRV system
- Jackson system
- land system
- large panel system
- lighting system
- line system
- liquid overfeed system
- local sewerage system
- low-pressure system
- low pressure hot water system
- low velocity system
- main system
- maintenance management system
- mass transit system
- materials-handling system
- mechanical system
- mechanical refrigerating system
- mechanical supply system
- medium pressure hot water system
- medium temperature hot water system
- microbore heating system
- modular system
- modular air conditioning system
- modular compression sealing system
- modular decking system
- modular precast building system
- multiple-degree system
- multiple web system
- multiple well system
- multistage gas-supply system
- multizone system
- municipal piping system
- nail-free formwork system
- non-changeover system
- octopus duct system
- oil fired heating system
- once-through water-supply system
- one-degree system
- one-duct air-conditioning system
- one-pipe system
- one-pipe loop system
- one-way system
- open system
- open expansion tank system
- open-loop control system
- open return system
- open steam heating system
- operation system
- overhead heating system
- overhead runway system
- packaged cogeneration system
- panel air-conditioning system
- panel air system
- panel-lock system
- partially-separate system
- piping system
- plane system of forces
- plane grid system
- plenum system
- plumbing system
- pneumatic conveying system
- post-tensioning system
- preaction sprinkler system
- prefabricated pipe conduit system
- pressurization system
- pressurized heating system
- pressurized hot water system
- primary-secondary system
- principal system
- public system
- public waterwork system
- push-through fan system
- push-through system
- quality system
- rail mounted track laying system
- raised floor system
- rapid transport system
- recool system
- recycling system
- recycling water system
- redundant bridge system
- refrigerating system
- regenerative air cycle system
- regional settlement system
- reheat system
- return system
- return air system
- reverse return system
- reverse return upfeed system
- rising heating system
- road system
- roofing system
- run-around system
- safety system
- scraper system
- sealed heating system
- security system
- self-climbing form system
- separate sewerage system
- separate system
- series loop system
- sewage system
- shunt system
- single-degree-of-freedom system
- single-degree system
- single duct air conditioning system
- single-pipe heating system
- single-pipe heat-supply system
- single-stack plumbing system
- single-storey heating system
- single web system
- single-zone air-conditioning system
- slab-stringer system
- small bore heating system
- smoke control system
- smoke extract ventilation system
- soil system
- soil absorption system
- solar heating system
- solid fuel heating system
- split system
- sprinkler system
- state plane coordinate system
- statically determinate system
- statically indeterminate system
- stationary system of loads
- steam heating system
- steel plate system
- storm sewer system
- structural system
- structural monitoring system
- sub-atmospheric heating system
- subbuilding drainage system
- subsurface drainage system
- subsurface sewage disposal system
- supply air system
- supporting formwork system
- suspension structural system
- swing joint system
- taxiway system
- telpher system
- terminal reheat system
- thermal storage heating system
- thermosiphon system
- three-pipe system
- three-pipe air-conditioning system
- three-pipe heat supply system
- total energy system
- track laying system
- trench shoring system
- trussed system
- truss-supported deck system
- tube cleaning system
- two-degree-of-freedom system
- two-degree system
- two-pipe system
- two value system of proportional balancing
- two value system
- two-way system
- underfloor conduit system
- unvented system
- up-feed heating system
- utility detection system
- vacuum heating system
- vacuum return system
- vacuum waste disposal system
- variable air volume system
- variable refrigerant volume system
- variable volume system
- variable water volume system
- VAV system
- vented system
- ventilation system
- VRV system
- VWV system
- warning system
- water-air heating system
- water booster system
- water-supply system
- water-to-air system
- water-to-water system
- wellpoint system
- wet return system
- wind framing system
- wire cable control system
- wiring system
- zoned system
- zone reheat system

; головка блока цилиндров (двигателя); напор (жидкости); бабка (токарного станка); боёк (молота); литник; насадка (верхняя или передняя); направление; руководитель; глава; головная часть; передняя часть; II осаживать головку; высаживать головку; возглавлять; руководить; II головной; главный; ведущий - head cushion - head fall - head lamp - head lamp bulb - head lamp case - head lamp case rim - head lamp dimmer - head lamp door - head lamp door latch - head lamp door socket - head lamp door spring - head lamp lens - head lamp lower beam - head lamp reflector - head lamp support - head lamp swivel - head lamp tester - head lamp upper beam - head lamp with antivibration device - head light - head lighting - head of delivery - head of rivet - head of water - head on turbine - head-on view - head resistance - head rest - head room - head way - head wind - ball head - casing head - caulked head - connecting-rod head - countersunk head - cubic head - detector head - double-radius button head - drive head of a conveyer - filister binding head - finned cylinder head - flaming head - flattened-round head - hex head - hexagon head - horse's head - hydraulic head - hydraulic pressure head - index head - instrument head - integral cylinder head - knife head ball - knurled head - lentil head - lug head - manipulator head - manufactured head of rivet - milled head - movable head - multi-spindle head - mushroom head - nigger head - oval head - oven binding head - pan head - Philips head - pinched head - piston head - pressure head - primary head - rag head - ram head - ripping head - riveted-over head - rope-type head - round head - rounded countersunk head - screw head - set head - shake head - shear head - shower head - sickle head - slotted head - snap head - socket head - solid head - spindle head - spiral head - spray head - square head - steep head - steeple head - steering head - straight-base button head - strap head - suction head - swaged head - T-head - tapping head - tension head of a conveyer - thinner head - thrashing cylinder head - thread head - tommy head - upset head - valve head - washer head - winged head