reference fiber

- access channel - accompanying sound channel
- active channel
- actuating channel
- additive-noise channel
- adjacent channel
- adjacent audio channel
- allocated channel
- alpha channel
- alternate channel
- analog data channel
- analog data transfer channel
- arithmetic channel
- associated channel
- asynchronously multiplexed channel
- audio channel
- audio-frequency channel
- auxiliary channel
- available channel
- aviation channel
- B-channel
- back channel
- backward channel
- band-limited channel
- basic channel
- bearer channel
- binary channel
- binary erasure channel
- binary symmetric channel - BL channel
- block-multiplexer channel
- blue channel
- brightness channel
- broad-band channel
- broadcast channel - buried channel
- burst channel
- burst-error channel
- busy channel
- bypass channel
- byte-multiplexer channel
- calling channel
- camera channel
- common channel
- carrier channel
- carrier current channel
- chocked channel
- chroma channel
- chromaticity channel
- chrominance channel
- citizen band channel
- class D-channel
- class E-channel
- clear channel
- coherent channel
- color channel
- color-difference channel
- color-sync channel
- color-sync processing channel
- color transmitting channel
- command channel
- common-user channel
- communication channel
- companded channel
- conducting channel
- conductive channel
- contiguous channels
- control channel
- cross-polarized channels
- D-channel
- data channel
- data transfer channel
- dedicated channel - deep sound channel
- default color channels
- delta channel
- demand-assigned channel
- demodulator channel
- depletion channel
- dial-up channel
- difference channel
- diffuse optical channel
- digital data channel
- digital data transfer channel
- dipole channel
- direct-access radar channel
- direct memory access channel
- discrete channel
- discrete-input channel
- discrete memoryless channel
- display data channel - DMA channel
- dogleg channel
- domain-tip propagation channel
- Doppler-shifted channel
- duplex channel
- emergency radio channel
- engineering channel
- excitation channel
- fading channel
- fast-acting channel - FET channel
- fiber channel
- fiber-optic communication channel
- field-effect transistor channel
- fixed-tuned channel
- forward channel
- four-wire channel
- frequency-modulation broadcast channel - green channel
- guard channel
- half-duplex channel - high-frequency channel
- horizontal channel
- I-channel
- idle channel
- induced channel
- information channel
- information bearer channel
- input channel
- input/output channel
- interference channel
- Internet relay chat channel
- interrupt channel
- inversion channel
- I/O channel
- ion channel
- ion-implanted channel
- ionospheric channel
- IRC channel
- isolating channel
- jammed channel
- L-channel
- leased channel
- left front channel
- left rear channel
- left stereo channel
- left stereophonic channel
- line-of-sight channel
- local channel
- logical channel
- low-frequency channel
- luminance channel
- M-channel
- melting channel
- memory channel
- memoryless channel
- meteor-burst channel
- MIDI channel
- monochrome channel
- multipath channel
- multipath-fading resistant channel
- multiple-access channel
- multiplex channel
- multiuser channel
- narrow-band channel
- news-talk-sports channel
- noiseless channel
- noisy channel
- nonswitched channel
- n-type channel
- off-hook channel
- one-way channel
- on-hook channel
- optical channel
- optical scatter channel
- ordinary channel
- output channel - permanent virtual channel
- photo-defined channel
- picture channel
- pilot channel
- plasma channel
- primary color channel
- programmed channel
- p-type channel
- Q-channel
- R-channel
- radio channel
- radio-frequency channel - read/write channel
- recording channel
- red channel
- reference channel
- regional channel
- relay channel
- rented channel
- reproducing channel
- reverberation channel
- right front channel
- right rear channel
- right stereo channel
- right stereophonic channel
- S-channel
- scatter channel
- scribe channel
- sealed channel
- second channel
- selector channel
- serial management channel
- service channel
- shared channel
- side-lobe blanker channel
- side-lobe canceller channel
- signal channel
- signaling channel
- simplex channel - SLC channel - sound channel
- spacecraft channel
- SPX channel
- standard broadcast channel
- standard broadcasting channel
- stereo channel
- stereophonic channel
- subcarrier channel
- subcarrier-regeneration channel
- sum channel
- superconducting channel
- supervisory channel
- surface channel
- switched channel
- symmetrical channel
- synchronizing channel
- telecommunication channel
- telegraph channel
- telemeter channel
- telemetering channel
- telephone channel
- television channel
- time-derived channel
- time-division multiplex channel
- time-varying channel
- tone channel
- top channel - transponder channel
- troposcatter channel
- two-wire channel
- undersea communication channel
- vertical channel - VF channel
- VHF channel
- video-frequency channel
- virtual channel
- vision channel
- VM channel
- voice channel
- voice-band channel
- voice-frequency channel
- voice-grade channel
- waveguide channel
- wide-band channel
- wireless channel
- wire-tap channel
- write channel

- acoustic radiating element
- active element - antenna array element
- antenna radiating element
- array element
- asynchronous element
- base functional element
- basic functional element
- beam-shaping element
- bender element
- bilateral element
- bistable element
- branch element
- branching element
- bubble-domain readout element
- C-element
- capacitive-storage element
- charge-transfer element
- chevron propagating element
- circuit element
- code element
- collimating element - computer element
- control element
- correction element
- coupling element
- current-stable element
- data element
- data transmitting element
- decision element
- decoupling element
- delay element
- depletion element
- destructive readout element
- detector array element
- diagonal matrix element
- diagonal tensor element
- diffused element
- director element
- discrete element
- display element
- distributed element
- distributed-constant element
- domain tip readout element
- doping element
- driven element
- driving element
- dummy element
- EL element
- electrical element
- electroluminescence element
- electronegative element
- electropositive element - Faraday element
- fast element
- feed element
- ferroelectric element - final controlling element
- floating-gate element
- foreign element
- Friele line element
- fusing element
- fuze-setting element
- generating element
- Goto-pair memory element
- governing element
- heat element
- heating element
- Helmholtz line element
- high-speed element
- holographic element
- hook-up wiring element
- IC element
- idempotent element
- identity element
- image element
- impurity element
- inactive element
- initial element
- intracavity laser tuning element
- intracavity laser frequency tuning element
- Kerr element
- key element
- L-element
- lexical element
- light-dividing element
- line element
- linear electric current element
- linear magnetic current element
- logic element
- luminous element
- lumped element
- lumped-constant element
- M element
- magnetoresistance bubble readout element
- marking element
- master element
- matrix element
- memory element
- MEMS optical element
- MEMS-based optical element
- message key element
- META element
- microelectromechanical system optical element
- microelectromechanical system-based optical element
- monolithic element
- motor element
- moving meter element - negative resistance element
- nondestructive readout element - off-diagonal matrix element
- off-diagonal tensor element
- optical fiber element
- optoelectronic element
- parasitic element
- pass element
- passive element - piezoelectric-crystal element
- piezoresistive element
- planar Hall-effect bubble readout element
- plug-in element
- point-to-point wiring element
- polarization determining element
- position-finding element
- positioning element
- primary element
- primitive element
- print element
- printed element
- processing element
- propagating element
- propagation element
- R-element
- radiating element
- rare-earth element
- rectifying element
- reference element
- reference input element
- reflecting element
- reflector element
- refracting element - resistive element
- resistor element
- resolvable elements
- resonant element
- sampling element
- scheduling processing element
- Schrödinger line element
- screen element
- semiconductor element
- sensing element
- sequential logic element
- signal element - standard element
- start element
- stop element
- storage element
- S-type element
- suppression element - telegraph signal element
- temperature element
- temperature-compensated reference element
- tensor element - thick-film element
- thin-film element
- threshold element
- time-varying element
- timing element
- tracer element
- transition element
- tree-branch element
- trimming element
- tse processing element
- tuning element
- two-terminal element
- ultor element
- undriven element
- unidirectional element
- unit element
- voltage-stable element

I - lines of force
- line of graph
- line of position
- line of sight
- lines per inch
- lines per minute
- absorption line
- access line
- aclinic line
- acoustic delay line
- acoustic transmission line
- active line
- active acoustoelectric delay line
- address line
- addressing line
- aerial line
- agonic line
- analog line
- analog delay line
- antiferromagnetic-resonance line
- anti-Stokes line
- artificial delay line
- ascender line
- assembly line
- associated line
- asymmetric digital subscriber line
- available line
- backbone line
- background line
- backward-magnetostatic-wave delay line
- balanced line
- balanced multiphase line
- balanced transmission line
- base line
- beaded transmission line
- bit line
- blank line
- Bloch line
- bridging line
- bucket-brigade delay line
- bulk-magnetostatic-wave delay line
- bus line
- busy line
- bypass line
- cache line
- called line
- calling line
- carrier line
- clean line
- clock line
- closed-loop delay line
- club line
- coaxial line
- coaxial transmission line
- comb line
- command line
- common-talking line
- common-use line
- communication line
- concentric line
- conductor line
- control line
- coplanar transmission line
- coupled transmission lines
- course line
- credit line
- cryogenic delay line
- current line
- current-flow line
- customer line
- D-line
- date line
- data line
- datum line
- dedicated line
- dee line
- descender line
- delay line
- DEW line
- dial-up line
- diffraction delay line
- digital line
- digital delay line
- digital subscriber line
- direct line
- direction line
- dirty line
- disengaged line
- disk delay line
- dislocation line
- dispersive SAW delay line
- dispersive transmission line
- display line
- dissipation line
- dissipationless line
- distant early-warning line
- distributed-constant line
- Doppler-broadened line
- drive line
- dual-use line
- duplex artificial line
- dynamic-load line
- E-lines
- echo delay line
- edit line
- electric lines of force
- electric delay line
- electric field lines
- electric flux lines
- electroacoustic delay line
- electromagnetic delay line
- electronically variable delay line
- emission line
- empty line
- engaged line
- entry line
- equipotential line
- equivalent periodic line
- exchange line
- exciting line
- exclusive line
- exclusive exchange line
- exponential transmission line
- feed line
- feedforward delay line
- ferrimagnetic-resonance line
- ferrite delay line
- ferrite-dielectric transmission line
- ferromagnetic-resonance line
- fiber delay line
- fiber-optic delay line
- field line
- flat line
- flux line
- flyback line
- folded delay line
- forbidden line
- foreign exchange line
- forward magnetostatic-wave delay line
- Fraunhofer lines
- frozen field line
- G-line
- generation line
- ghost lines
- global data line
- Goubau line
- grating delay line
- grid line
- guide line
- Guillemin line
- H-lines
- half-wave transmission line
- heavy line
- helical delay line
- helix transmission line
- hidden line
- high data-rate digital subscriber line
- home line
- horizontal line
- horizontal Bloch line
- horizontal retrieval line
- hot line
- hyperfine line
- idle line
- incoming line
- individual line
- infinite line
- inhibit line
- inhibiting line
- inhomogeneously broadened line
- interdigital line
- interrupt request line
- interswitchboard line
- invalid line
- IRQ line - isocandela line
- isochromatic line
- isoclinic line
- isocost line
- isolux line
- isomagnetic line
- junction line
- Kikuchi lines
- Kossel lines
- ladder line
- laser line
- LD line
- leased line
- Lecher line
- liquid delay line
- liquidus line
- load line
- loaded line
- local line
- localizer on-course line
- locked-in line
- long line
- long-distance line
- long-transmission line
- loran line
- loss-free line
- lossless line
- lossy line
- low-loss line
- luminescence line
- lumped-constant line
- MAD line
- magnetic lines of force
- magnetic-core delay line
- magnetic delay line
- magnetic field lines
- magnetic flux lines
- magnetoacoustic delay line
- magnetoelastic delay line
- magnetostatic delay line
- magnetostrictive delay line
- main line
- matched transmission line
- meander line
- mercury delay line
- metastable Bloch line
- microstrip line
- microstrip transmission line
- microwave acoustic delay line
- microwave relay line
- modified line
- monolithic delay line
- MOS neuristor line
- multiconductor transmission line
- multidrop line
- multilayer delay line
- multiplexed line
- multipoint line
- multistation party line
- multitapped delay line
- narrow-band data line
- Neel line
- neutral line
- new line
- nondispersive delay line
- nonresonant line
- nonspectral line
- nonswitched line - omnibearing line
- one-port delay line
- one-way line
- one-way transmission line
- open-wire transmission line
- operating line
- optical delay line
- optical transmission line
- order-wire line
- orphan line
- oscillating line
- outgoing line
- outward line
- overhead line
- overhead transmission line
- parallel-wire line
- party line
- periodic line
- perpendicular diffraction delay line
- phase equilibrium line
- phase transition line
- phasing line
- piled-up Bloch lines
- point-to-point line
- pole line
- polygonal delay line
- potted line
- power line
- printer line
- private line
- privately leased line
- production line
- propagation line
- pulse-forming line
- punched-through Bloch line
- quantized-flux line
- quarter-wave line
- quarter-wave transmission line
- quartz delay line
- quasi-digital delay line
- radar line of sight
- radial transmission line
- radio line of position
- radio-frequency line
- radio-frequency transmission line
- Raman line
- Ramsey line
- rate adaptive digital subscriber line
- Rayleigh line
- recirculating delay line
- recoil line
- recording line
- reference line
- regression line
- relay line
- repeater line
- resonance line
- resonant line
- retrace line
- return line
- rhumb line
- satellite communications line
- SAW delay line
- scanning line
- scribe line
- sense line
- serial line
- service line
- shared line
- shared service line
- shebang line
- shielded transmission line
- signal line
- single-ended echo line
- single-line digital subscriber line
- single-pair symmetrical digital subscriber line
- single-wire line
- single-wire transmission line
- slip line
- slotted line
- solid line
- solid-state transmission line
- solidus line
- sonic delay line
- space communications line
- spectral line
- spectrum line
- spin delay line
- spiral delay line
- spontaneous line
- spur line
- staff line
- status line
- Stokes line
- strip line
- strip delay line
- strip transmission line
- strobe line
- strong line
- stub-supported line
- subscriber line
- superconducting coaxial delay line
- surface-acoustic-wave delay line
- surface-magnetostatic-wave delay line
- surface-wave delay line
- surface-wave transmission line
- survey line
- switched line
- symmetrical digital subscriber line
- T1 line
- T-1 line
- T1C line
- T-1C line
- T2 line
- T-2 line
- T3 line
- T-3 line
- T4 line
- T-4 line
- tapered transmission line
- tapped delay line
- telegraph line
- terminated line
- terrestrial line
- thin line
- tie line
- time line
- time-delay line
- toll line
- transmission line
- transmission test line
- trend line
- trough line
- trunk line
- twin line
- two-port delay line
- ultrasonic delay line
- unbalanced line
- unconditioned line
- unicursal line
- uniform line
- universal asymmetric digital subscriber line
- unwinding Bloch line
- variable delay line
- vector line
- vertical line
- vertical Bloch line
- vertical return line
- very high data-rate digital subscriber line - waveguide delay line
- wedge dispersive delay line
- weighted tapped line
- widow line
- word line
- wrap-around delay line
- write line
- x-digital subscriber line II = Ln

- access channel
- access grant channel
- accompanying audio channel
- accompanying sound channel
- active channel
- actuating channel
- additive-noise channel
- adjacent audio channel
- adjacent channel
- allocated channel
- alpha channel
- alternate channel
- analog data channel
- analog data transfer channel
- arithmetic channel
- associated channel
- asynchronously multiplexed channel
- audio channel
- audio-frequency channel
- auxiliary channel
- available channel
- aviation channel
- B channel
- back channel
- backward channel
- band-limited channel
- basic channel
- bearer channel
- binary channel
- binary erasure channel
- binary symmetric channel
- binary symmetric dependent channel
- binary symmetric independent channel
- BL channel
- block-multiplexer channel
- blue channel
- brightness channel
- broad-band channel
- broadcast channel
- broadcast control channel
- bulk channel
- buried channel
- burst channel
- burst-error channel
- busy channel
- bypass channel
- byte-multiplexer channel
- calling channel
- camera channel
- carrier channel
- carrier current channel
- chocked channel
- chroma channel
- chromaticity channel
- chrominance channel
- citizen band channel
- class D channel
- class E channel
- clear channel
- coherent channel
- color channel
- color transmitting channel
- color-difference channel
- color-sync channel
- color-sync processing channel
- command channel
- common channel
- common-user channel
- communication channel
- companded channel
- conducting channel
- conductive channel
- contiguous channels
- control channel
- cross-polarized channels
- D channel
- data channel
- data transfer channel
- dedicated channel
- dedicated control channel
- deep channel
- deep sound channel
- default color channels
- delta channel
- demand-assigned channel
- demodulator channel
- depletion channel
- dial-up channel
- difference channel
- diffuse optical channel
- digital data channel
- digital data transfer channel
- dipole channel
- direct memory access channel
- direct-access radar channel
- discrete channel
- discrete memoryless channel
- discrete-input channel
- display data channel 1
- display data channel 2
- display data channel
- diversity channel
- DMA channel
- dogleg channel
- domain-tip propagation channel
- Doppler-shifted channel
- duplex channel
- emergency radio channel
- engineering channel
- excitation channel
- fading channel
- fast associated control channel
- fast-acting channel
- feedback channel
- FET channel
- fiber channel
- fiber-optic communication channel
- field-effect transistor channel
- fixed-tuned channel
- forward channel
- four-wire channel
- frequency-modulation broadcast channel
- full rate traffic channel
- Gaussian channel
- green channel
- guard channel
- half rate traffic channel
- half-duplex channel
- hard-limited channel
- high-frequency channel
- horizontal channel
- I channel
- I/O channel
- idle channel
- induced channel
- information bearer channel
- information channel
- input channel
- input/output channel
- interference channel
- Internet relay chat channel
- interrupt channel
- inversion channel
- ion channel
- ion-implanted channel
- ionospheric channel
- IRC channel
- isolating channel
- jammed channel
- L channel
- leased channel
- left front channel
- left rear channel
- left stereo channel
- left stereophonic channel
- line-of-sight channel
- local channel
- logical channel
- low-frequency channel
- luminance channel
- M channel
- melting channel
- memory channel
- memoryless channel
- meteor-burst channel
- MIDI channel
- monochrome channel
- multipath channel
- multipath-fading resistant channel
- multiple-access channel
- multiplex channel
- multiuser channel
- narrow-band channel
- news-talk-sports channel
- noiseless channel
- noisy channel
- nonswitched channel
- n-type channel
- off-hook channel
- one-way channel
- on-hook channel
- optical channel
- optical scatter channel
- ordinary channel
- output channel
- paging channel
- percolating conduction channel
- permanent virtual channel
- photo-defined channel
- picture channel
- pilot channel
- plasma channel
- primary color channel
- programmed channel
- p-type channel
- Q channel
- R channel
- radio channel
- radio-frequency channel
- random access channel
- Rayleigh channel
- read/write channel
- recording channel
- red channel
- reference channel
- regional channel
- relay channel
- rented channel
- reproducing channel
- reverberation channel
- right front channel
- right rear channel
- right stereo channel
- right stereophonic channel
- S channel
- scatter channel
- scribe channel
- sealed channel
- second channel
- selector channel
- serial management channel
- service channel
- shared channel
- side-lobe blanker channel
- side-lobe canceller channel
- signal channel
- signaling channel
- simplex channel
- single channel per carrier
- SLB channel
- SLC channel
- slow associated control channel
- sofar channel
- sound channel
- spacecraft channel
- SPX channel
- standard broadcast channel
- standard broadcasting channel
- stereo channel
- stereophonic channel
- subcarrier channel
- subcarrier-regeneration channel
- sum channel
- superconducting channel
- supervisory channel
- surface channel
- switched channel
- symmetrical channel
- synchronizing channel
- telecommunication channel
- telegraph channel
- telemeter channel
- telemetering channel
- telephone channel
- television channel
- time-derived channel
- time-division multiplex channel
- time-varying channel
- tone channel
- top channel
- traffic channel
- transfer channel
- transponder channel
- troposcatter channel
- two-wire channel
- undersea communication channel
- vertical channel
- VESA media channel
- vestigial-sideband channel
- VF channel
- VHF channel
- video-frequency channel
- virtual channel
- vision channel
- VM channel
- voice channel
- voice-band channel
- voice-frequency channel
- voice-grade channel
- waveguide channel
- wide-band channel
- wireless channel
- wire-tap channel
- write channel

- acoustic radiating element
- active element
- adaptive linear element
- aligning element
- antenna array element
- antenna radiating element
- array element
- asynchronous element
- base functional element
- basic functional element
- beam-shaping element
- bender element
- bilateral element
- bistable element
- branch element
- branching element
- bubble-domain readout element
- C element
- capacitive-storage element
- charge-transfer element
- chevron propagating element
- circuit element
- code element
- collimating element
- common management information service element
- compensating element
- computer element
- control element
- correction element
- coupling element
- current-stable element
- data element
- data transmitting element
- decision element
- decoupling element
- delay element
- depletion element
- destructive readout element
- detector array element
- diagonal matrix element
- diagonal tensor element
- diffused element
- director element
- discrete element
- display element
- distributed element
- distributed-constant element
- domain tip readout element
- doping element
- driven element
- driving element
- dummy element
- EL element
- electrical element
- electroluminescence element
- electronegative element
- electropositive element
- essential elements of information
- excitable element
- Faraday element
- fast element
- feed element
- ferroelectric element
- field-alterable control element
- final control element
- final controlling element
- floating-gate element
- foreign element
- Friele line element
- fusing element
- fuze-setting element
- generating element
- Goto-pair memory element
- governing element
- heat element
- heating element
- Helmholtz line element
- high-speed element
- holographic element
- hook-up wiring element
- IC element
- idempotent element
- identity element
- image element
- impurity element
- inactive element
- initial element
- intracavity laser frequency tuning element
- intracavity laser tuning element
- Kerr element
- key element
- L element
- lexical element
- light-dividing element
- line element
- linear electric current element
- linear magnetic current element
- logic element
- luminous element
- lumped element
- lumped-constant element
- M element
- magnetoresistance bubble readout element
- marking element
- master element
- matrix element
- memory element
- MEMS optical element
- MEMS-based optical element
- message key element
- META element
- microelectromechanical system optical element
- microelectromechanical system-based optical element
- monolithic element
- motor element
- moving meter element
- multi-layer adaptive linear element
- multi-wire element
- negative resistance element
- nondestructive readout element
- nonlinear charge-storage element
- nonlinear element
- N-type element
- off-diagonal matrix element
- off-diagonal tensor element
- optical fiber element
- optoelectronic element
- parasitic element
- pass element
- passive element
- picture element
- piezoelectric element
- piezoelectric-crystal element
- piezoresistive element
- planar Hall-effect bubble readout element
- plug-in element
- point-to-point wiring element
- polarization determining element
- position-finding element
- positioning element
- primary element
- primitive element
- print element
- printed element
- processing element
- propagating element
- propagation element
- R element
- radiating element
- rare-earth element
- rectifying element
- reference element
- reference input element
- reflecting element
- reflector element
- refracting element
- remote operations service element
- resistance element
- resistive element
- resistor element
- resolvable elements
- resonant element
- sampling element
- scheduling processing element
- Schrödinger line element
- screen element
- semiconductor element
- sensing element
- sequential logic element
- signal element
- signal processing element
- spacing element
- standard element
- start element
- stop element
- storage element
- S-type element
- suppression element
- tactile element
- target element
- telegraph signal element
- temperature element
- temperature-compensated reference element
- tensor element
- texture element
- thermoelectric element
- thick-film element
- thin-film element
- threshold element
- time-varying element
- timing element
- tracer element
- transition element
- tree-branch element
- trimming element
- tse processing element
- tuning element
- two-terminal element
- ultor element
- undriven element
- unidirectional element
- unit element
- voltage-stable element
- volume picture element

- access line
- aclinic line
- acoustic delay line
- acoustic transmission line
- active acoustoelectric delay line
- active line
- address line
- addressing line
- aerial line
- agonic line
- analog delay line
- analog line
- antiferromagnetic-resonance line
- anti-Stokes line
- artificial delay line
- ascender line
- assembly line
- associated line
- asymmetric digital subscriber line
- available line
- backbone line
- background line
- backward-magnetostatic-wave delay line
- balanced line
- balanced multiphase line
- balanced transmission line
- base line
- beaded transmission line
- bit line
- blank line
- Bloch line
- bridging line
- bucket-brigade delay line
- bulk-magnetostatic-wave delay line
- bus line
- busy line
- bypass line
- cache line
- called line
- calling line
- carrier line
- clean line
- clock line
- closed-loop delay line
- club line
- coaxial line
- coaxial transmission line
- comb line
- command line
- common-talking line
- common-use line
- communication line
- concentric line
- conductor line
- control line
- coplanar transmission line
- coupled transmission lines
- course line
- credit line
- cryogenic delay line
- current line
- current-flow line
- customer line
- data line
- date line
- datum line
- dedicated line
- dee line
- delay line
- descender line
- DEW line
- dial-up line
- diffraction delay line
- digital delay line
- digital line
- digital subscriber line
- direct line
- direction line
- dirty line
- disengaged line
- disk delay line
- dislocation line
- dispersive SAW delay line
- dispersive transmission line
- display line
- dissipation line
- dissipationless line
- distant early-warning line
- distributed-constant line
- D-line
- Doppler-broadened line
- drive line
- dual-use line
- duplex artificial line
- dynamic-load line
- echo delay line
- edit line
- electric delay line
- electric field lines
- electric flux lines
- electric lines of force
- electroacoustic delay line
- electromagnetic delay line
- electronically variable delay line
- E-lines
- emission line
- empty line
- engaged line
- entry line
- equipotential line
- equivalent periodic line
- exchange line
- exciting line
- exclusive exchange line
- exclusive line
- exponential transmission line
- feed line
- feedforward delay line
- ferrimagnetic-resonance line
- ferrite delay line
- ferrite-dielectric transmission line
- ferromagnetic-resonance line
- fiber delay line
- fiber-optic delay line
- field line
- flat line
- flux line
- flyback line
- folded delay line
- forbidden line
- foreign exchange line
- forward magnetostatic-wave delay line
- Fraunhofer lines
- frozen field line
- G line
- generation line
- ghost lines
- global data line
- Goubau line
- grating delay line
- grid line
- guide line
- Guillemin line
- half-wave transmission line
- heavy line
- helical delay line
- helix transmission line
- hidden line
- high data-rate digital subscriber line
- H-lines
- home line
- horizontal Bloch line
- horizontal line
- horizontal retrieval line
- hot line
- hyperfine line
- idle line
- incoming line
- individual line
- infinite line
- inhibit line
- inhibiting line
- inhomogeneously broadened line
- interdigital line
- interrupt request line
- interswitchboard line
- invalid line
- IRQ line
- ISDN digital subscriber line
- isobathic line
- isocandela line
- isochromatic line
- isoclinic line
- isocost line
- isolux line
- isomagnetic line
- junction line
- Kikuchi lines
- Kossel lines
- ladder line
- laser line
- LD line
- leased line
- Lecher line
- line of code
- line of graph
- line of position
- line of sight
- lines of force
- lines per inch
- lines per minute
- liquid delay line
- liquidus line
- load line
- loaded line
- local line
- localizer on-course line
- locked-in line
- long line
- long-distance line
- long-transmission line
- loran line
- loss-free line
- lossless line
- lossy line
- low-loss line
- luminescence line
- lumped-constant line
- MAD line
- magnetic delay line
- magnetic field lines
- magnetic flux lines
- magnetic lines of force
- magnetic-core delay line
- magnetoacoustic delay line
- magnetoelastic delay line
- magnetostatic delay line
- magnetostrictive delay line
- main line
- matched transmission line
- meander line
- mercury delay line
- metastable Bloch line
- microstrip line
- microstrip transmission line
- microwave acoustic delay line
- microwave relay line
- modified line
- monolithic delay line
- MOS neuristor line
- multiconductor transmission line
- multidrop line
- multilayer delay line
- multiplexed line
- multipoint line
- multistation party line
- multitapped delay line
- narrow-band data line
- Neel line
- neutral line
- new line
- nondispersive delay line
- nonresonant line
- nonspectral line
- nonswitched line
- nonuniform transmission line
- null line
- omnibearing line
- one-port delay line
- one-way line
- one-way transmission line
- open-wire transmission line
- operating line
- optical delay line
- optical transmission line
- order-wire line
- orphan line
- oscillating line
- outgoing line
- outward line
- overhead line
- overhead transmission line
- parallel-wire line
- party line
- periodic line
- perpendicular diffraction delay line
- phase equilibrium line
- phase transition line
- phasing line
- piled-up Bloch lines
- point-to-point line
- pole line
- polygonal delay line
- potted line
- power line
- printer line
- private line
- privately leased line
- production line
- propagation line
- pulse-forming line
- punched-through Bloch line
- quantized-flux line
- quarter-wave line
- quarter-wave transmission line
- quartz delay line
- quasi-digital delay line
- radar line of sight
- radial transmission line
- radio line of position
- radio-frequency line
- radio-frequency transmission line
- Raman line
- Ramsey line
- rate adaptive digital subscriber line
- Rayleigh line
- recirculating delay line
- recoil line
- recording line
- reference line
- regression line
- relay line
- repeater line
- resonance line
- resonant line
- retrace line
- return line
- rhumb line
- satellite communications line
- SAW delay line
- scanning line
- scribe line
- sense line
- serial line
- service line
- shared line
- shared service line
- shebang line
- shielded transmission line
- signal line
- single-ended echo line
- single-line digital subscriber line
- single-pair symmetrical digital subscriber line
- single-wire line
- single-wire transmission line
- slip line
- slotted line
- solid line
- solid-state transmission line
- solidus line
- sonic delay line
- space communications line
- spectral line
- spectrum line
- spin delay line
- spiral delay line
- spontaneous line
- spur line
- staff line
- status line
- Stokes line
- strip delay line
- strip line
- strip transmission line
- strobe line
- strong line
- stub-supported line
- subscriber line
- superconducting coaxial delay line
- surface-acoustic-wave delay line
- surface-magnetostatic-wave delay line
- surface-wave delay line
- surface-wave transmission line
- survey line
- switched line
- symmetrical digital subscriber line
- T1 line
- T-1 line
- T1C line
- T-1C line
- T2 line
- T-2 line
- T3 line
- T-3 line
- T4 line
- T-4 line
- tapered transmission line
- tapped delay line
- telegraph line
- terminated line
- terrestrial line
- thin line
- tie line
- time line
- time-delay line
- toll line
- transmission line
- transmission test line
- trend line
- trough line
- trunk line
- twin line
- two-port delay line
- ultrasonic delay line
- unbalanced line
- unconditioned line
- unicursal line
- uniform line
- universal asymmetric digital subscriber line
- unwinding Bloch line
- variable delay line
- vector line
- vertical Bloch line
- vertical line
- vertical return line
- very high data-rate digital subscriber line
- voice over digital subscriber line
- W line
- waveguide delay line
- wedge dispersive delay line
- weighted tapped line
- widow line
- word line
- wrap-around delay line
- write line
- x digital subscriber line

- acoustical emission sensor
- amperometric sensor
- angular movement sensor
- area image sensor
- array sensor
- automatic music sensor
- azimuth sensor
- binary sensor
- buoy sensor
- capacitance sensor
- CCD-sensor
- charge-coupled area-image sensor
- check text sensor
- CMD-sensor
- CMOS-sensor
- contact sensor
- contactless sensor
- current sensor
- data measuring sensor
- data sensor
- data-receiver sensor
- dew sensor
- digital sensor
- dimension sensor
- direct sensor
- displacement sensor
- door sensor
- dual-color sensor
- electric sensor
- electrode sensor
- electrolytic sensor
- electromagnetic sensor
- electronic sensor
- environmental sensor
- environmentals sensor
- execution sensor
- executive sensor
- feedback sensor
- feeler sensor
- fiber-optic current sensor
- fluidic sensor
- fluidic-flow sensor
- force-moment sensor
- frame transfer sensor
- gas sensor
- generator sensor
- grip sensor
- Hall sensor
- image sensor
- induction sensor
- inductive sensor
- infrared sensor
- interference sensor
- interleave transfer sensor
- IR-sensor
- laser reference voltage sensor
- laser sensor
- leak sensor
- level sensor
- liquid-filled sensor
- luminance sensor
- magnetic field sensor
- magnetic sensor
- magnetodiode sensor
- magnetoelectric sensor
- magnetoresistance sensor
- matrix sensor
- microwave sensor
- mobile sensor
- mutifrequency sensor
- needly sensor
- night-vision sensor
- off-line sensor
- optical sensor
- optical-fiber current sensor
- optical-proximity sensor
- optoelectronic sensor
- overload sensor
- parametric sensor
- photo sensor
- photoelectric sensor
- piezoelectric sensor
- platinum resistance sensor
- polypropylene sensor
- polysulfone sensor
- position sensor
- potentiometric sensor
- pressure sensor
- probe sensor
- proximity sensor
- pulse sensor
- quantum sensor
- quartz sensor
- radiotechnical sensor
- radiotelemetric sensor
- range-imaging sensor
- reel sensor
- register sensor
- remote control sensor
- remote sensor
- resistance sensor
- rheostate sensor
- self-scanned image sensor
- semiconductor Hall-effect sensor
- shock sensor
- signaling sensor
- silicon image sensor
- slip sensor
- smoke sensor
- solar sensor
- solid-state sensor
- strain sensor
- stress sensor
- stubbed sensor
- superconductive sensor
- supply sensor
- tact pulse sensor
- tactile sensor
- take-up sensor
- tape-program sensor
- temperature sensor
- thermal sensor
- touch sensor
- two-position sensor
- ultrasonic sensor
- vibration sensor
- voltage sensor
- window sensor
- wire sensor

- absolutely compact space - absolutely embedded space - absolutely thick space - algebraically parallel space - almost complex space - almost expandable space - almost isomorphic space - almost metric space - almost nonsingular space - almost paracompact space - almost pretopological space - analytically ramified covering space - arcwise connected space - centrally harmonic space - compactly ordered space - completely continuous space - completely degenerate space - completely disconnected space - completely harmonic space - completely metric space - completely normal space - completely reducible space - completely regular space - completely reticulated space - completely separable space - completely separated space - completely symmetric space - completely uniformizable space - constant curvature space - continuous sample space - continuously ordered space - contractible in itself space - countably compactifiable space - countably dimensional space - countably generated space - countably infinite space - countably metacompact space - countably multinormed space - countably normed space - countably paracompact space - countably refinable space - countably subcompact space - finitely productive space - finitely sheeted space - finitely triangulated space - fully normal space - general metrizable space - general topological space - global analytic space - globally symmetric space - hereditarily normal space - hereditarily paracompact space - hereditarily separable space - hereditarily symmetric space - holomorphic tangent space - holomorphically complete space - holomorphically convex space - homotopy associative space - iterated loop space - linearly connected space - linearly ordered space - linearly topologized space - load space - locally bounded space - locally closed space - locally compact space - locally complete space - locally connected space - locally contractible space - locally convex space - locally directed space - locally fine space - locally holomorphic space - locally homogeneous space - locally hyperbolic space - locally linear space - locally metrizable space - locally ringed space - locally separable space - locally simply connected space - locally solid space - locally spherical space - locally star-shaped space - locally symmetric space - locally timelike space - locally triangulable space - monotonically normal space - naturally isomorphic space - naturally ordered space - naturally reductive space - nearly paracompact space - negative metric space - normally separated space - not simply connected space - nowhere connected space - null space of linear transformation - n-way projective space - perfectly normal space - perfectly regular space - perfectly screenable space - perfectly separable space - peripherically bicompact space - peripherically compact space - pointwise paracompact space - projectively metric space - quaternion hyperbolic space - quaternion projective space - quaternion vector space - regularly ordered space - relatively discrete space - relatively strong space - sequentially closed space - sequentially compact space - sequentially complete space - sequentially quasicomplete space - sequentially separable space - simply ordered space - simply partitionable space - space of affine connectedness - space of complex homomorphisms - space of continuous functions - space of finite measure - space of linear interpolation - space of right cosets - space of scalar curvature - strongly bounded space - strongly closed space - strongly compact space - strongly complete space - strongly irreducible space - strongly normal space - strongly normed space - strongly paracompact space - strongly pseudocompact space - strongly pseudometrizable space - strongly rigid space - strongly screenable space - structural space - structure space - topologically complete space - totally disconnected space - totally geodesic space - totally imperfect space - totally normal space - totally orderable space - totally ordered space - water jacket space - weakly closed space - weakly compact space - weakly complete space - weakly covering space - weakly dense space - weakly favorable space - weakly n-dimensional space - weakly paracompact space - weakly regular space - weakly separable space - weakly symmetric space