generalized information system

- acoustic alarm system
- acoustic image system
- acoustic systems
- actiontrack system
- active IR-system
- actuator system
- adaptive communication system
- adaptive teleinformation system
- adaptive telemetering system
- advanced information system
- Afsatcom system
- air system
- aircraft intercommunication system
- airfield communication system
- air-ground automatic system
- airline reservation system
- air-to-ground TV system
- alarm signal system
- alarm system
- all-channel signaling system
- ALL-IN-ONE system
- alphanumeric system
- amplified speaker system
- amplitude shift-keying system
- AMPS system
- analog cellular communication system
- analog cellular system
- analog component video system
- analog television system
- analog tropospheric system
- anisochronous system
- antenna system
- antitheft system
- AR system
- Arabsat system
- ASK system
- associated channel analog system
- asynchronous address communication system
- audio recording system
- Aurora system
- Aussat system
- automatic communication system
- automatic connection establishment system
- automatic control system
- automatic data acquisition system
- automatic telegraphy system
- automatic telephone system
- automatic tuning system
- automatized cellular system
- auxiliary alarm system
- balanced cable transmission system
- band sharing system
- base station system
- baseband system
- basic input/output system
- bass-reflex speaker system
- batch processing system
- batch transmission system
- batch-and-forward system
- batteryless system
- bilateral CTV system
- binary tariff system
- biocontrol system
- bit parallel interface system
- bit transport system
- bridge duplex system
- broadband mobile system
- broadcast satellite system
- broadcasting delivery media systems
- burglar alarm system
- byte-serial interface system
- cabinet system
- cabinetless system
- cable distribution system
- cable TV system
- call-accounting system
- call-answering system
- call-counting system
- call-distributing system
- call-processing system
- call-queueing system
- camp-on system
- CAPTAIN system
- car component audio system
- carrier reinsertion system
- carrier system
- carrier-communication system
- carrier-current communication system
- Cassegrain-Schmidt system
- cassette recording system
- cassette reproducing system
- CATRIN system
- caution system
- CD 900 system
- cellular system
- cellular-radio system
- central-battery system
- centralized control system
- chirp binary telegraph system
- cipher system
- circuit switched telecommunication system
- circuit switching telecommunication system
- circular telecontrol system
- clock system
- closed-circuit communication system
- closed-circuit telegraph system
- closed-numbering system
- code-dependent system
- code-division multiple access system
- code-independent system
- code-insensitive system
- code-sensitive system
- coding system
- coherent fiber-optic system
- collimating system
- collocated system
- color separating system
- combined numbering system
- combined power supply system
- combined satellite communication system
- common-battery system
- common-carrier system
- common-channel signaling system
- common-engineering communication system
- common-purpose cellular system
- common-using band system
- common-using cordless telephone system
- common-using paging system
- communication system
- communication traffic system
- communications system
- community antenna system
- community antenna television system
- community TV-system
- commununication switching system
- compact disk digital audio system
- compatible color television system
- compatible single sideband system
- compatible single-band system
- compatible TV-system
- complex radio communication system
- computer vision system
- computer-telephone system
- Comsar system
- Comsat system
- Conax system
- concentrated-insonation system
- conference system
- conference-communication system
- congested system
- congress-class system
- constant-current system
- control generating system
- conventional television system
- Conversant system
- cordless-communication system
- crossbar system
- crossed-coincident microphone system
- Crosspoint system
- CSE system
- C-system
- cubical video projecting system
- data processing system
- data system
- data transport system
- data-collection system
- data-compression system
- data-exchange system
- dataflow system
- data-gathering system
- data-handling system
- data-measuring system
- data-reduction system
- data-transmission system
- Decca Navigator system
- DECfax system
- decision-feedback system
- dedicated control channel system
- dedicated multimedia system
- delta-sigma system
- deluxe presentation system
- departmental communication system
- desktop-video system
- DFS/Copernicus system
- dial-telephone system
- differential phase shift-keying system
- differential-duplex system
- differential-magnetic system
- digital camera system
- digital hybrid-key telephone system
- digital mass storage system
- digital microwave radio transmission system
- digital telephone communication system
- digital transmission system
- digital TV-communication system
- Digital UNIX system
- digital-analog system
- digital-cellular system
- digital-data modulation system
- digital-effect system
- digital-message entry system
- digital-termination system
- direct-broadcasting satellite system
- directing system
- direct-modulation system
- direct-sequence system
- direct-telephone communication system
- discrete communication system
- discrete sound system
- discrete-addressing system
- disk-operating system
- DISOSS system
- dispatch telephone communication system
- dispatch-center system
- dispersed-insonation system
- distributed-insonation system
- distributed-processing system
- documental-type communication system
- Dolby systems
- domestic satellite communication system
- double-band telephone communication system
- double-channel transmission system
- double-current transmission system
- double-pole communication system
- double-sideband large carrier system
- DSCS system
- D-system
- dual-cable system
- dual-reflector system
- duplexed system
- Earth-to-space transmission system
- ECM system
- electric communication system
- electronic antishock system
- electronic data-gathering system
- electronic data-processing system
- electronic-message system
- electronic-scanning system
- electronic-switching system
- Ellipso system
- emergency telephone communication system
- emergency-broadcast system
- EMX system
- equidistant system
- error-correction system
- error-detection system
- Eutelsat system
- extensible system
- external paging system
- facsimile system
- fast-acting servicing system
- fault-tolerant system
- fax communication system
- fax transmitting system
- feed system
- fiber transmission system
- fiber-optic transmission system
- field-sequential system
- final mile system
- finishing system
- fire alarm system
- fire warning system
- first generation cellular system
- five-channel communication system
- fixed satellite system
- Flexcam system
- flexible access system
- Flitsatcom system
- focusing system
- four-channel sound system
- four-dimensional system
- four-wire telephone communication system
- frame-sequential system
- frequency shift-keying system
- frequency-carrier system
- frequency-control system
- front-bass reflex speaker system
- fully digital system
- gate system
- Gaussian system
- generalized system
- generating dynamic system
- generator-dc-motor system
- GIGASET radio system
- global positioning system
- Global system
- Gopher system
- grandfathered system
- group-alerting and dispatching system
- guide system
- hard-wired CCTV system
- hazard system
- helical-scan system
- HF-synchronizing system
- high-precision navigating system
- Hi-linear system
- home system
- home-telephone system
- home-type system
- homing-guidance system
- host system
- hydroacoustic system
- ideal communication system
- idealized system
- image informaion system
- image-forming system
- immedial servicing system
- incompatible system
- independent system
- information retrieval system
- information system radio system
- information system
- information-feedback system
- information-measuring system
- infrared alarm system
- Inmarsat system
- Inmarsat-A system
- Inmarsat-B system
- Inmarsat-C system
- Inmarsat-D system
- Inmarsat-M system
- Inmarsat-P system
- integrated telephone system
- integrated videographic teleconferencing system
- integrated-antenna system
- integrated-communication system
- integrated-modulation system
- integrated-office system
- Intelsat system
- interactive system
- intercarrier-sound system
- intercommunication system
- intercontinental tropospheric system
- interlock system
- intermachine exchange system
- intermediate system
- international communication system
- interphone system
- Intervision system
- intraband signaling system
- intruder alarm system
- inward-outward dialing system
- ionoscatter system
- ionosphere sounder system
- ionospheric system
- Iridium system
- isolated system
- Italsat system
- J-carrier system
- joint-multichannel trunking and switching system
- K-carrier system
- key system
- key-telephone system
- land satellite communication system
- large-grained communication system
- laser communication system
- L-band satellite system
- L-carrier system
- Leasat system
- lightning protection system
- limited distortion system
- line amplifiers system
- link system
- little-channel relay system
- local alarm system
- local battery system
- local communication system
- local radio paging system
- long-haul system
- long-range system
- loop system
- loud-speaking communication system
- low-traffic system
- magnetic tape recording system
- Mail system
- management-information system
- manual cellular system system
- manual telephone set system
- Marisat system
- master television system
- master-antenna television system
- matrix sound system
- message feedback system
- message procession system
- message registration system
- message-switched system
- meteor radio system
- Metrobus system
- micro component system
- Micro Press Cluster Printing system
- micro-lens system
- microprocessor system
- microwave relay system
- midi system
- mine radio telephone system
- mini system
- mixed media system
- mixed numbering system
- mobile cellular communication system
- mobile land communication system
- mobile radio system
- mobile relay system
- mobile system
- modulated system
- monetary mobile system
- MS-Mail system
- multiareal system
- multicassette system
- multichannel telephone system
- multicomputer system
- multidisk system
- multiformat recording system
- multifrequency tone signaling system
- multiguard system
- multilevel mixed system
- multimedia system
- multiple-channel system
- multiqueue system
- Multiscrypt system
- multistandard system
- multitrack editing system
- mutibeam antenna system
- muting system
- Nagravision system
- NAMTS system
- narrow-angle TV system
- national communication system
- navigation system
- n-channel communication system
- n-channel DPSK system
- n-channel transmission system
- network standalone system
- network system
- network-operation system
- networks numbering system
- neutral direct-current telegraph system
- n-head video system
- NMT system
- noise-reduction system
- nonhoming tuning system
- noninterlaced television system
- nonsegmented system
- Norsat system
- n-satellite system system
- n-tone DPSK system
- n-tone MFSK system
- NTSC system
- NTT system
- obligatory message system
- Odyssey system
- off-line system
- on-line computer system
- on-line secured system
- open numbering system
- open system
- operative-engineering communication system
- opposite signals system
- optical-communication system
- optical-information system
- optical-projection system
- optoelectronic system
- oscillating system
- oscillation system
- outband signaling system
- package-and-resource tracking system
- pagemaster system
- paging system
- PAL system
- parametric system
- PATHWORKS system
- pattern recognition system
- personal holding guard system
- phase shift-keying system
- phone system
- Piccolo system
- pilot-controller system
- polar direct-current telegraph system
- portable mobile system
- power control system
- power controlling system
- power-line carrier system
- power-supply system
- press-to-talk system
- Prestel system
- primary-supply system
- privacy system
- private branch paging system
- private movable system
- private videodata system
- private videotex system
- process-interface system
- PROFS system
- programmable cross-connect system
- programmable cross-connected system
- programmed radio system
- prompting system
- protected wireline distribution system
- protection system
- pseudoquadraphony system
- pseudotrunking system
- public videodata system
- public videotex system
- pulse-code system
- pulse-frequency system
- pulse-time system
- quadraphonic sound system
- quadruple-diversity system
- R1 system
- R2 system
- radio buoy system
- radio command system
- radio communication system
- Radio Data system
- radio facsimile system
- Radiocom 2000 system
- radio-control system
- radio-paging system
- radio-relay system
- radiosonde-radio-wind system
- radio-telemetering system
- real time pulse-echo system
- real time system
- receiver lockout system
- recording system
- recovery system
- redundant system
- reference-information system
- regional electronic payment system
- relay-radio system
- remote concentrating system
- remote control system
- remote diagnostic system
- remote information system
- remote semiconcentrating system
- remote sensing system
- remote signaling system
- rendering system
- rerecording system
- reserved servicing system
- RF/Transmission system
- rotary system
- safety alarm system
- safety system
- Satcom system
- satellite comminication system
- satellite marine comminication system
- Satellite Master Antenna Television system
- satellite radio system
- satellite-aircraft communication system
- SB-communication system
- SBL communication system
- scalable system
- scanning trunking system
- SCO UNIX system
- searchless identification system
- seat reservation system
- SECAM system
- second generation cellular system
- second room system
- secondary supply system
- secrecy system
- section communication system
- security system
- segmented system
- seismic system
- selective calling system
- selective frequency base station system
- selective protective system
- selective telephone system
- self-adjusting system
- self-balancing differential system
- self-contained system
- self-test system
- selsyn system
- semiautomatic-switching system
- semiautomatized cellular system
- sensory system
- servo system
- shadow-batch system
- short-haul microwave system
- Sicral system
- Sigma Servo system
- signal system
- simplex movable system
- single-band transmission system
- single-busbar system
- single-cable communication system
- single-cable system
- single-channel system
- single-current transmission system
- single-pulse tracking system
- Skynet system
- small-grained communication system
- SmarTrunk II radio communication system
- solid-state uninterruptible power battery system
- Sony bus system
- sound alarm system
- sound equalization system
- sound navigation system
- sound reinforcement system
- sound warning system
- space-division system
- space-switched system
- spark-safe system
- speaker system
- special communication system
- speech-processing system
- speech-recognition system
- split-speaker system
- spread-spectrum system
- stabilizing system
- stage monitoring system
- standalone double point system
- star-circuit system
- STAREX CMX system
- starting communication system
- start-stop system
- stationary satellite system
- step-by-step system
- stereo sound system
- stereophonic sound system
- storage system
- storage-and-retrieval system
- Strowger system
- submarine fiber-optic system
- subprimary digital transmission system
- subscriber carrier system
- subscriber switching system
- suffix system
- Supersat system
- supervisory control system
- surround sound system
- switched telecommunication system
- switching system
- sync communication system
- synchro system
- synchronous communication system
- synchronous digital system
- TAGS system
- tandem system
- tariffication system
- T-carrier system
- TDF system
- teleautomatic system
- Telecom system
- telecommunication system
- telecommunications system
- telecommunication-service priority system
- telecommunications-service priority system
- telecontrol system
- telemechanic system
- telemetering system
- telemetry system
- telephone system
- telephone-answering system
- telephone-communication system
- telephone-communications system
- teleprocessing system
- Telesat system
- teletex system
- teletypewriter system
- television-telephone system
- Tele-X system
- Telsar system
- terminal system
- terrestrial radio-relay system
- theft-prevention system
- thin-route system
- third generation communication system
- three-axle stabilizing system
- three-channel HF-telephone system
- three-channel transmission system
- three-color system
- three-lens optical system
- three-primary system
- three-wire system
- time-dissemination system
- time-frequency hopping system
- time-switched system
- total access communication system
- total area coverage system
- transmission system
- trichromatic system
- triple-interlace system
- triplex system
- trunk communication system
- TV-observation system
- twelve-channel transmission system
- two-arm system
- two-band system
- two-color system
- two-roller transfer system
- two-step control system
- two-way CATV system
- two-way system
- two-wire telephone communication system
- ultra-match system
- ULTRIX system
- unified radioaccess system
- unilateral-control system
- unilateral-synchronization system
- uninterruptible-power system
- Unisat system
- universal alarm system
- universal-battery system
- universal-electronic system
- universal-movable system
- Uniworks system
- vestigial-sideband system
- video editing system
- video home system
- video recording system
- videocom system
- videoteleconference system
- videotex system
- virtual studio system
- vision system
- vocoder system
- voice dialog system
- voice frequency carrier telegraph system
- voice modulation system
- voice post system
- volume control system
- waiting system
- warning system
- watch system
- watching system
- waterside facsimile communication system
- wave-propagating system
- wide-angle TV system
- Winfax Pro system
- wired broadcasting system
- wireless CCTV system
- wireless home system
- wireless infrared speaker system
- wire-radio communication system
- XY system
- zone-selective protection system
- zoning system

- system of catalogs
- system of centralized indexing
- system of claim drafting
- system of classification
- system of examination
- system of granting patents
- system of headings
- system of material encouragement
- abstract information retrieval system
- alert information system
- automated design system
- binary system
- business system
- card system
- centralized system of processing
- centralized system of selective distribution
- classification system
- closed system
- communication system
- communication data system
- computing system
- computer system
- control system
- coordinate system
- database management system
- data processing
- storage and transmission system
- deferred examination system
- disk operating system
- domain name system
- examination system
- filing system
- first-to-claim system
- first-to-file system
- first-to-invent system
- forecasting system
- generalized information processing system
- German classification system
- hardware-software system
- information retrieval system
- isolable system
- keyword system
- library classification system
- man - machine system
- marking system
- mechanized retrieval system
- mechanized search system
- microfilm retrieval system
- national system of scientific and technical information
- network operating system
- patent system
- peripheral system of claim drafting
- registration system
- retrieval system
- society system
- sui generis system
- value system
- writing system

- accelerated cost recovery system
- accounting system
- actual cost system
- administrative system
- advanced system
- airline system
- appointment system
- assessment system
- automated control system
- automated management system
- automatic conveyor system
- automatic data processing system
- automatic transfer system
- banking system
- batch system
- bidding system
- bilateral clearing system
- bimetallic monetary system
- bonus system
- budgetary control system
- cash system
- centralized control system
- central record system
- chain store system
- checking system
- classification system
- clearing system
- clearing house interbank payment system
- closed system
- closed system of finance
- communication system
- computerised system
- computerised system of payments
- computerised interbank clearing system
- conference system
- constrained system
- constraint system
- container system
- contract system
- contractual vertical marketing system
- control system
- controlled system
- corporate vertical marketing system
- cost accounting system
- cost control system
- cost distribution system
- credit system
- crediting system
- credit scoring system
- credit transfer system
- cropping system
- currency system
- data system
- data acquisition system
- data collection system
- data interchange system
- data processing system
- data transmission system
- decentralized system
- decimal system
- deferred rebate system
- department incentive system
- deposit insurance system
- distribution system
- dual system
- dual-pay system
- dual price system
- dual standard cost system
- dynamic system
- economic system
- educational system
- electronic book-entry system
- electronic fund transfer system
- engineering system
- equilibrium system
- estimate cost system
- European monetary system
- evaluation system
- exchange system
- factory system
- farming system
- farm price system
- Federal Reserve System
- feedback system
- financial system
- fiscal system
- forecasting system
- free enterprise system
- generalized system of preferences
- giro system
- hauling system
- hire purchase system
- historical cost system
- household system
- import quota system
- imprest system
- industrial system
- inefficient tax system
- information system
- information retrieval system
- in-plant system
- inspection system
- integrated accounting system
- integrated record system
- Internet-based system
- inventory control system
- irrigation system
- job order cost system
- judicial system
- justice system
- land tenure system
- land-use system
- legal system
- licence system
- linear system
- lump system
- macroeconomic system
- management system
- management information system
- managerial system
- market system
- marketing system
- master system
- measuring system
- mechanical accounting system
- mercantile system
- metric system
- monetary system
- monitoring system
- multichannel system
- multicomputer system
- multidepot system
- multiitem system
- multilateral system of settlements
- multilevel system
- multiple system
- multiproduct inventory system
- multipurpose system
- multirobot system
- multistage system
- multiuser computer system
- national banking system
- normalized system
- office system
- one-crop system
- one-price system
- open price system
- operating system
- operational system
- order system
- ordering system
- par value system
- patent system
- pay system
- pay-as-you-earn system
- pay-as-you-go system
- payment system
- petty cash system
- piecework system
- planning system
- postal system
- post giro system
- power system
- premium system
- price system
- priority system
- private enterprise system
- process control system
- processing system
- production system
- product testing system
- programme system
- programme development system
- programming system
- protectionist system
- protective system
- public-address system
- quality system
- quality intelligence system
- quality rating system
- queueing system
- quota system
- railroad system
- railway system
- rating system
- rationing system
- real-time system
- recording system
- record keeping system
- reference system
- registration system
- relay system
- remote-control system
- reporting system
- retail trade system
- retrieval system
- risk-management system
- rotation system
- savings bank system
- scoring system
- search system
- selection system
- service system
- settlement system
- sewage system
- shared resource system
- shuttle system
- single system
- single-channel system
- social system
- stable system
- stand-alone system
- standard system
- standard cost system
- standby system
- state system
- static system
- stationary system
- storage system
- storekeeping system
- supply system
- sweating system
- tariff system
- tax system
- taxation system
- telecommunication system
- telephone system
- telephone answering system
- tender system
- tenure system
- testing system
- time-shared system
- timesharing system
- transfer system
- transmission system
- transport system
- transportation system
- trial system
- truck system
- two-shift system
- two-tier banking system
- two-tier gold system
- underwriting system
- uniform system of accounts
- universal time system
- unstable system
- value system
- vertical marketing system
- voucher system
- wage system
- wage labour system
- warehousing system
- waste disposal system
- waste handling system
- waste treatment system
- water system
- weighting system
- working system
- world system
- system of accounts
- system of administration
- system of bookkeeping
- system of classification
- system of control
- system of distribution
- system of information
- system of levies
- system of management
- system of marketing
- system of marking
- system of protective tariffs
- system of sales
- system of settlements
- system of tariffs
- system of taxation
- system of transportation
- system of units
- system of weights and measures
- bypass the banking system
- convert to a metric system
- design a system
- operate a system
- phase out the quota system

- abolition of the system
- accounting system
- administrative system
- advanced system
- advantages of the system
- air-based system
- aircraft telecommunications system
- antagonistic systems
- anti-ballistic missile system
- anti-missile defense system
- anti-missile space defense system
- anti-satellite systems
- ASAT systems
- authoritative system
- automated management systems
- automated system
- automatic control system
- automatic data processing system
- banking system
- bipartisan system
- biparty system
- bonus system
- break-up of the system
- British entry into the European Monetary System
- bureaucrat system
- capitalist economic system
- capitalist system
- career development system
- centrally planned system
- clan system
- classified national defense system
- collapse of the system
- collective security system
- communal system
- communications system
- competitive price system
- complex system
- comprehensive system
- compulsory purchase system
- computer system
- constitutional system
- contract system
- control system
- conventional system
- country programming system
- credit and banking system
- credit system
- crisis of the system
- cultural system
- currently-operating system
- decentralized system
- defense system
- deficiency of the system
- delivery system
- democratic political systems
- deterrent system
- different social systems
- disintegration of the system
- distribution system
- dynamic international system
- early warning system
- ecological system
- economic system
- educational system
- effective system
- efficient system
- election system
- electoral system
- electronic system
- EMS
- European Monetary System
- exploitation system
- exploiting system
- fair system
- family-planning system
- federal grant system
- finance and credit system
- financial system
- first-past-the-post voting system
- forecasting system
- formation of the system
- free enterprise system
- free market system
- generalized system of preferences
- global system
- grid system
- ground-based system
- health care system
- health system
- historically established system
- home security system
- immunity system
- industrial system
- inequitable system
- information system
- INIS
- institutional system
- integrated system
- intelligence system
- International Nuclear Information System
- international system
- International Trusteeship System
- irrigation system
- job-by-job system of payment
- judicial system
- land tenure system
- land-based antiballistic missile system
- legal system
- liberalization of the political system
- life-support system
- majority system
- management system
- managerial system
- mandate system
- mandatory system
- market system
- mayor-council system
- merit system
- metric system
- missile and satellite detection system
- missile delivery system
- misuse of the judicial system for political purposes
- monarchical system
- monetary and credit system
- monetary system
- monitoring system
- monopolistic system
- motor-road and railway system
- multifaceted system
- multilateral payments system
- multiparty system
- mutually-acceptable system
- national accounting and control system
- national defense system
- new arms systems
- noncapitalist system
- obsolete social system
- old system
- one-man-one-vote system
- one-member-one-vote system
- one-party system
- opposing social systems
- optimum system
- outmoded system
- overhaul of the tax system
- parliamentary system
- party system
- payments system
- pension system
- people's democratic system
- philosophical system
- planning system
- political system
- post adjustment system
- power system
- preferential system
- premium system
- presidential system
- price system
- private enterprise system
- program budgeting system
- proportional representation system
- public pension system
- records system
- regimented political system
- remnants of the system
- reports system
- republican system
- ruling system
- safeguards system
- satellite-tracking system
- sea-based system
- security system
- social security system
- social system
- socio-economic system
- socio-political system
- space defense system
- space weapons systems
- space-based system
- spoils system
- stability system
- stable system
- state political system
- state system
- state-managed social security system
- strategic nuclear-weapon systems
- submarine-based system
- supply system
- system of collective security
- system of exploitation
- system of geographical distribution
- system of government and public organizations - taxation system
- technologically advanced weapons systems
- territorial system
- training system
- transition to a multiparty system
- tribal system
- trusteeship system
- two-party system
- united economic system
- visa system
- voting system
- wage system
- world system
- world trading system

- absolutely consistent system - absolutely direct indecomposable system - absolutely free system - absolutely irreducible system - absolutely isolated system - allowable coordinate system - almost linear system - ample linear system - artificial feel system - automatic block system - automatic deicing system - binary relational system - binary-coded decimal system - block tooling system - Cartesian coordinate system - completely controllable system - completely ergodic system - completely hyperbolic system - completely identifiable system - completely integrable system - completely irreducible system - completely regular system - completely stable system - completely stratified system - complex number system - conical coordinate system - derivational formal system - differential equation system - differential selsyn system - digital counting system - digital transmission system - elliptic coordinate system - elliptic cylindrical coordinate system - externally inconsistent system - finite state system - finitely axiomatizable system - finitely presented system - fully characteristic quotient system - fundamental system of solutions - hydraulic lift system - integrated switching system - isomorphically embedded system - kernel normal system - linearly dependent system - linearly independent system - live hydraulic system - locking protection system - meteor-burst communication system - modular programming system - parabolic cylindrical coordinate system - permanent four-wheel drive system - pure independent system - radio telephone system - reactor protection system - real number system - receiver-amplifier crioelectric system - remote-cylinder hydraulic system - semantically consistent system - simply consistent system - simply incomplete system - simply ordered system - spherical coordinate system - strongly multiplicative system - structurally stable system - sufficiently general coordinate system - system of frequency curves - system of rational numbers - time multiplex system - time-division multiplex system - uniformly complete system - univalent system of notation - universal system of notation - weakly closed system - weighted number system