《英語縮寫詞大全》word版

/2D 2-Dimensional3D 3-Dimensional3M MinnesotaMiningandManufacturing4GL FourthGenerationLanguage4H Head,Heart,Hands,Health4WD FourwheelDrive(seealsoFWD)A AftermathAA AffirmativeActioncommitteeAA AlcoholicsAnonymousAA AntiaircraftArtilleryAA AssociateinAccountingA&A AstronomyandAstrophysics[Space]AA AutomobileAssociation[England]AAA AmericanAutomobileAssociationAAAL AmericanAcademyofArtsandLettersAAAS AmericanAssociationfortheAdvancementofScienceAAII AmericanAssociationofIndividualInvestorsAAMSI AmericanAssociationforMedicalSystemsInformaticsAAO Anglo-AustralianObservatory[Space]AAP AffirmativeActionProgramAARC Anglo-AmericanCatalogingRulesAARN AustralianAcademicResearchNetwork[Networking]AARP AmericanAssociationofRetiredPersonsAAS AmericanAstronomicalSociety[Space]AAVSO AmericanAssociationofVariableStarObservers[Space]AB ABleseamanABA AmericanBarAssociationABA AmericanBasketballAssociationABA AmericanBooksellersAssociationABBR ABBReviationABC AmericanBroadcastingCompany[Corporatename]AC AlternatingCurrent(ac,seealsoDC)AC AnteChristum(beforeChrist)AC AnteCibum(beforemeals)ACAA AgriculturalConservationandAdjustmentAdministrationACAWS Advisory,Caution,AndWarningSystemACBL AmericanContractBridgeLeagueACC ArgonneCodeCenterACCS ArmyCommandandControlSystemACD AutomaticCallDistributor[Telephony]ACE AdvancedCompositionExplorer[Space]ACE AdvancedComputingEnvironments[Corporatename]ACE AutomaticCalibrationandEqualizationACHEFT AutomatedClearingHouseElectronicFundsTransferACK ACKnowledgeACL AdvancedCmosLogicACLU AmericanCivilLibertiesUnionACM AssociationforComputingMachineryACRV AssuredCrewReturnVehicle(or)AstronautCrewRescueVehicle[Space]ACS AdvancedCommunicationsSystemACSE AssociationControlServiceEntity(ISO/CCITTlayer7)ACT ActionforChildren'sTelevision(inCambridge,MA)ACT AmericanConservatoryTheaterACTS AdvancedCommunicationsTechnologySatelliteACTS AutomaticCoinTelephoneService[Telephony]ACU AlarmControlUnitACU AutomaticCallUnit[Telephony]ACW AlternatingContinuousWavesAD AfterDateA/D AnalogtoDigitalconverter(seeADC)AD AnnoDomini(intheyearofourLord)AD ApplicationDevelopmentADAP Alzheimer'sdisease-associatedproteinADAP AmericanDiscountAutoParts[Corporatename]ADB ADeBuggerADB AppleDesktopBusADC AnalogtoDigitalConverterADCI AutomaticDisplayCallIndicatorAD&D AdvancedDungeons&DragonsADF AutomaticDirectionFinderADM ADMiralADP AdenosineDi-PhosphateADP AdministrativeDataProcessingADP AdvancedDataProcessingADPCM PulseCodeModulationwithAdaptiveQuantizationADS ApplicationDevelopmentSystemADSR AttackDecaySustainReleaseADT AbstractDataTypeADT AtlanticDaylightTimeAE ApplicationExecutionAEA AmericanElectronicsAssociationAEC AtomicEnergyCommissionAEF AmericanExpeditionaryForce(seeBEF)AEGIS AdvancedElectronicGuidanceandInstrumentationSystemAF AdventuresinFantasyAF AirForceAF AudioFrequencyAFADS AutomaticForceAdjustmentDataSystemAFATDS AdvancedFieldArtilleryTacticalDataSystemAFB AirForceBaseAFC AmericanFootballConferenceAFC AutomaticFlightControlAFC AutomaticFrequencyControlAFCAC AirForceComputerAcquisitionCenterAFCC AirForceCommunicationsCommandAFGE AmericanFederationofGovernmentEmployeesAFIPS AmericanFederationofInformationProcessingSocietiesAFL AmericanFederationofLaborAFL AmericanFootballLeagueAFLCIO AmericanFederationofLaborandCongressofIndustrialOrganizationsAFNOR AssociationFrancaisedeNORmalizationAFP AppletalkFilingProtocolAFS AndrewFileSystemAFSC AirForceSystemsCommandAFSCME AmericanFederationofState,CountyandMunicipalEmployeesAFTRA AmericanFederationofTelevisionandRadioArtistsAG AdjutantGeneralAG ArcadeGameAG AttorneyGeneralAGCT ArmyGeneralClassificationTestAGN ActiveGalacticNucleus[Space]AHL AmericanHockeyLeagueAHQ AirHeadQuartersAI ArtificialIntelligenceAIAA AmericanInstituteofAeronauticsandAstronautics[Space]AIC AutomaticInterceptCenterAID AgencyforInternationalDevelopmentAIDDE Ames'InteractiveDynamicDisplayEditorAIDS AcquiredImmunoDeficiencySyndromeAIOD AutomaticIdentificationOutwardDialingAIS AutomaticInterceptSystemAIX AdvancedInteractiveeXecutive(IBM'snameforUNIX)AJ AstronomicalJournal[Space]AK AlaskaAKA AlsoKnownAsAL Alabama[USstatepostaldesignation]AL AmericanLeague(baseball)ALA AmericanLibraryAssociationALA AutomobileLegalAssociationALBM Air-to-LandBallisticMissileALC AutomaticLoadControlALGOL ALGOrithmicLanguageALIT AutomaticLineInsulationTesting[Telephony]ALPO AssociationofLunarandPlanetaryObservers[Space]ALS AdvancedLaunchSystem[Space]ALU ArithmeticLogicUnitA&M AgriculturalandMechanicalAM AmplitudeModulationAM AnteMeridiem(beforenoon)AMA AmericanMedicalAssociationAMA AutomaticMessageAccounting[Telephony]AMARC AutomaticMessageAccountingRecordingCenterAMBA AssociationofMasterofBusinessAdministrationAMC AlbanyMedicalCollegeAMC AmericanMotorsCorporation(?)[Corporatename]AMC AppalachianMountainClubAMD AdvancedMicroDevices[Corporatename]AMEX AMericanEXpress[Corporatename]AMI AlternateMarkInversion(seealsoNRZ,NRZI,B8ZS)AMORC AncientMysticOrderRosaeCrucisAMP AdenosineMonoPhosphateAMPAS AcademyofMotionPictureArtsandSciencesAMPAS AcedemyofMotionPictureArtsandSciencesAMRAAM AdvancedMediumRangeAir-To-AirMissileAMROC AmericanRocketCompany[Space]AMSAT radioAMateurSATellitecorp.AMU AtomicMassUnitAMVET AMericanVETeranANA AmericanNursesAssociationANAC AutomaticNumberAnnouncemntCircuit[Telephony]ANC AllNumberCalling[Telephony]ANC ArmyNurseCorpsANDF Architecture-NeuralDistributionFormatANF AutomaticNumberForwarding[Telephony]ANG AirNationalGuardANI AutomaticNumberIdentification(seealso:CLID)[Telephony]ANL ArgonneNationalLaboratoryANOVA ANalysisOfVArianceANPA AmericanNewspaperPublishersAssociationANSI AmericanNationalStandardsInstituteANZUS Australia,NewZealand,UnitedStatesAO AccountOfAOA AbortOnceAround[NASA,Shuttle]AOA AbortOnceAround(Shuttleabortplan)[Space]AOL AbsentOverLeave(seeAWOL)AOS AcademicOperatingSystemAOS AlternateOperatorService[Telephony]A/P AccountsPayableAP AdditionalPremiumAP AllPointsAP AssociatedPress[Corporatename]APA AllPointsAddressableAPA AmericanPsychologicalAssociationAPB AllPointsBulletinAPDA AppleProgrammersandDevelopersAssociationAPI ApplicationProgrammingInterfaceAPICS AmericanProductionandInventoryControlSocietyAp.J AstrophysicalJournal[Space]APL AProgrammingLanguageAPL acutepromyelocyticleukemia[Disease]APO AlphaPhiOmega,servicefraternityAPO ArmyPostOfficeAPP ApplicationsPortabilityProfileAPPC AdvancedPeer-to-PeerCommunicationsAPR AnnualPercentageRate(asinloaninterest)APSE AdaProgrammingSupportEnvironmentAPU AuxiliaryPowerUnit[Space]AQ Accumulator-QuotientregisterA/R AccountsReceivableAR AddressRegisterAR ArkansasARC AIDS-relatedcomplexARC AmericanRedCrossARC AmesResearchCenter(NASA)[Space]ARCNET AttachedResourceComputerlocalareaNETworkARO AfterReceiptofOrderARP AddressResolutionProtocolARPA AdvancedResearchProjectsAgency(oftheDoD,seeDARPA)ARPANETARPA(q.v.)NETworkARRL AmateurRadioRelayLeagueARV AmericanRevisedVersionAS Anglo-SaxonASA AcetylSalicylicAcidASAP AsSoonAsPossibleASC AccreditedStandardsCommitteeASCAP AmericanSocietyofComposers,Authors,andPublishersASCC AutomaticSequence-ControlledCalculatorASCII AmericanStandardCodeforInformationInterchangeASDIC Anti-SubmarineDetectionInvestigationCommittee(Britishforsonar)ASDSP Application-SpecificDigitalSignalProcessorASG AutomatedSciencesGroupASHRAE Amer.Soc.ofHeating,RefrigeratingandAir-cond.Engineers,inc.ASIC ApplicationSpecificIntegratedCircuitASME AmericanSocietyofMechanicalEngineersASN AbstractSyntaxNotationOne(ISO/CCITTASN.1)ASP AggregatedSwitchProcurementASRM AdvancedSolidRocketMotor[Space]ASSR AutonomousSovietSocialistRepublicAST AtlanticStandardTimeASV AmericanStandardVersionAT AtlanticTimeATA AutomaticTroubleAnalysisATACC AdvancedTacticalAirCommandCentralATB AdvancedTechnologyBomber(stealthbomber)ATC AirTrafficControlATDRS AdvancedTrackingandDataRelaySatellite[Space]ATF AdvancedTechnologyFighterATIS AthertonToolsInterfaceSpecificationATLAS AtmosphericLaboratoryforApplicationsandScience[Space]ATM AmateurTelescopeMaker[Space]ATM AsynchronousTransferModeATM AutomaticTellerMachineATO AbortToOrbit[NASA,Shuttle]ATO AbortToOrbit(Shuttleabortplan)[Space]ATOMS AT&tOptimizedMaterialsSimulatorATP AdenosineTriPhosphateATPCO AirlineTariffPublishingCOmpanyAT&T AmericanTelephone&Telegraph[Corporatename]ATT AmericanTelephone&Telegraph(normallywrittenAT&Twhenseperate)ATTIS AmericanTelephoneandTelegraphInformationSystems[AT&T](Division)ATV AllTerrainVehicleAU AstronomicalUnit(93,000,000miles)[Space]AU AstronomicalUnit[Space]AUI AttachmentUniversalInterfaceAURA AssociationofUniversitiesforResearchinAstronomy[Space]AUS ArmyoftheUnitedStatesAUTODINAUTOmaticDIgitalNetworkAUTOVONAUTOmaticVOiceNetworkAV AudioVisualAVLIS AtomicVaporLaserIsotopeSeparationAWACS AirborneWarningsAndControlSystemsAWEA AmericanWindEnergyAssociationAWK alAho,peterWeinberger,brianKernighan(patternscanninglanguage)AWOL AbsentWithOutLeave(alsoAbsentWithoutOfficialLeave)(seeAOL)AW&ST AviationWeekandSpaceTechnology(a.k.a.AvLeak)[Space]AXAF AdvancedX-rayAstrophysicsFacility[Space]AZ ArizonaB BookB8ZS Binary8ZeroSubstitution(seealsoNRZ,NRZI,AMI)BA BachelorofArtsBACH BusinessAllianceforCommerceinHempBAFO BestAndFinalOfferBARRNetBayAreaRegionalResearchNetwork(SFBayArea)BASIC Beginner'sAll-purposeSymbolicInstructionCodeBATSE BurstAndTransientSourceExperiment(onGRO)[Space]BB BasesonBallsBB BestofBreedBB BunniesandBurrowsBBA BachelorofBusinessAdministrationBBB BetterBusinessBureauBBC BritishBroadcastingCorporationBBL BarrelBBN Bolt,Beranek,andNewman,Inc.[Corporatename]BBXRT Broad-BandX-RayTelescope(ASTROpackage)[Space]BC BattlecarsBC BeforeChristBC BritishColumbiaBC/BS BlueCross/BlueShieldBCD BadConductDischargeBCD BinaryCodedDecimalBCDIC BinaryCodedDecimalInterchangeCodeBCE BeforetheCommonEra(substituteforBC)BCNU BeSeeingYou[Netjargon]BCP ByteControlledProtocolsBCPL BasicCombinedProgrammingLanguageBCS BachelorofCommercialScienceBCS BinaryCompatibilityStandardBCS BostonComputerSocietyBCS BritishComputerSocietyBD BachelorofDivinityBD BankDraftBD BillsDiscountedBD&D BasicDungeons&DragonsBDF BinaryDistributionFormatBDT BillingDataTransmitterBE BillofExchangeBEF BritishExpeditionaryForce(seeAEF)BELCOREBELLCOmmunicationsREsearchBEM BugEyedMonsterBEM Bug-EyedMonster[Space]BENELUXBElgium,NEtherlands,andLUXembourgBER BitErrorRateBERT BitErrorRateTestBEST BorlandEnhancedSupportandTrainingBF BroughtForwardBFA BachelorofFineArtsBFD Bristol(RI)FireDepartment(probablytypicalofanytownstarting"B")BH BlackHole[Space]BH BootHillBHP BrakeHorsePowerBICS BuildingIndustryConsultingServices[Telephony]BID BisInDie(twiceaday)BIMA BerkeleyIllinoisMarylandArray[Space]BIOS BasicInputOutputSystemBIS BusinessInformationSystemBISDN BroadbandISDN(q.v.)[Telephony]BiSync BinarySynchronousCommunications(BSCispreferred)[IBM]Bit BInarydigiTBITNET BecauseIt'sTimeNetworkBLAST BLockedASynchronousTransmissionBLERT BLockErrorRateTestBLF BusyLampField[Telephony]BLT Bacon,Lettuce,andTomato(sandwich)BLT BLockTransfer[Instruction]BLT BranchLessThan[Instruction]BM BasalMetabolismBM BowelMovementBMA BankMarketingAssociationBMEWS BallisticMissileEarlyWarningBMO BallisticMissileOfficeBMOC BigManOnCampusBMR BasalMetabolismRateBNC BayonetNeillConcelman(connector)[Electronics](seealsoTNC)BNF Bachus-NaurFormBO BodyOdorBO BranchOfficeBO Buyer'sOptionBOC BellOperatingCompanyBOD BoardOfDirectorsBOF BirdsOfaFeatherBOM BillOfMaterialsBOOTP BootstrapProtocol[Internet]BOQ BachelorOfficers'QuartersBOS BusinessOfficeSupervisorBOSIX BiinOpenSystemInterfaceeXtensionBP BloodPressureBP BritishPetroleumBP BritishPharmacopoeiaBPI BitsPerInchBPL BostonPublicLibraryBPL BranchifPLus[Instruction]BPOE BenevolentandProtectiveOrderofElksBPS BitsPerSecondBR BillsReceivableBR BritishRailBRA BostonRedevelopmentAuthorityBRI BasicRateInterface(ISDN)[Telephony]BRIEF BasicReconfigurableInteractiveEditingFacilityBRL armyBallisticResearchLaboratoryBRS BibliographicRetrievalServiceBS BachelorofScienceBS BillofSaleBSA BirminghamSmallArmsBSA BoyScoutsofAmericaBSc BachelorofSCienceBSC BinarySynchronousCommunications(alsosometimesBiSync)[IBM]BSD BerkeleySoftwareDistributionBSN BachelorofScienceinNursingBSS BlockStartedbySymbolBSTJ BellSystemTechnicalJournalBT BritishTelecomBTAM BasicTelecommunicationsAccessMethod[IBM]BThU BritishThermalUnit(BTU{q.v.}ispreferred)BTL BellTelephoneLaboratoriesBTO BachmanTurnerOverdriveBTU BritishThermalUnitBTW ByTheWay[Netjargon]BU BostonUniversityBUF B-52bomber("BigUglyFellow")[USAF]BV BlessedVirginBWI Baltimore-WashingtonInternational(airport)BWI BritishWestIndiesBX BaseeXchange(seealsoPX)c centi-(metric1/100)C programminglanguage(successortoB,whichwasbasedonBCPL)CA CaliforniaCA CharteredAccountantCA ChiefAccountantCA ChronologicalAgeCA CollisionAvoidance(asinCSMA/CA(q.v.))CAB CivilAeronauticsBoardCACM CommunicationsoftheAssociationforComputingMachineryCAD ComputerAidedDesign(sometimesseenasCAD/CAM)CAD ComputerAidedDispatchingCAE CommonApplicationsEnvironmentCAE ComputerAidedEngineeringCAI ComputerAidedInstructionCAIS CommonApseInterfaceSpecificationCALS Computer-aidedAcquisitionandLogisticsSupportCAM ComputerAidedManagementCAM ComputerAidedManufacturing(sometimesseenasCAD/CAM)CAM ContentAddressableMemoryCAMA CentralizedAutomaticMessageAccounting[Telephony]CAMP CampaignAgainstMarijuanaPlantingCAP CivilAirPatrolCAP ColumbiaAppletalkPackageCAR ContentsoftheAddresspartoftheRegister(LISP)CARE CommitteeonAmericanReliefinEuropeCARP CaliforniaAirResourcesBoardCASE ComputerAidedSoftwareEngineeringCASSIS ClassificationandSearchSupportInformationSystemCAT Computer-AidedTomographyCATIS CommonApplicationsandToolsIntegrationServicesCATV CommonAntennaTeleVisionCATV CommunityAntennaTeleVisionCAVU CeilingAndVisibilityUnlimitedCB CitizensBandradioCBC CanadianBroadcastingCorporationCBD CashBeforeDeliveryCBD CommerceBusinessDailyCBEMA Computer&BusinessEquipmentManufacturersAssociationCBR Chemical,Biological,RadiologicalwarfareCBS ColumbiaBroadcastingSystem[Corporatename]CBW ChemicalandBiologicalWarfareCC C(language)CompilerCC CarbonCopyCCA ComputerCorporationofAmerica[Corporatename]CCAFS CapeCanaveralAirForceStation[Space]CCC CanadianCommitteeonCatalogingCCC Civil(ian)ConservationCorpsCCC Command,Control,andCommunications(sometimesC^3)CCC ConcourseComputerCenter[MIT]CCCCM CCCCounterMeasures(sometimesC^3CM)CCCI Command,Control,Communications,andIntelligenceCCD ChargeCoupledDevice(seeCID)CCD Charge-CoupledDevice[Space]CCDS CentersfortheCommercialDevelopmentofSpace[Space]CCF HundredCubicFeetCCI ComputerCarrierInterruptCCI ComputerConsoles,IncorporatedCCIP ContinuouslyComputedImpactPointCCIRN CoordinatingCommitteeforIntercontinentalResearchNetworkingCCIS CommonChannelInterofficeSignaling[Telephony]CCITT Comite'ConsultatifInternationalTelegraphiqueetTelephoniqueCCITT ConsultativeCommitteeonInternationalTelephonyandTelegraphyCCITT InternationalTelegraphandTelephoneConsultativeCommitteeCCR Commitment,Concurrency,andRecoveryCCR CreedenceClearwaterRevival[Music]CCRI CommunityCollegeofRhodeIsland[Corporatename]CCRP ContinuouslyComputedReleasePointCCS HundredCallSeconds[Telephony]CCS7 CommonChannelSignalling(version#7)[Telephony,AT&T]CCSA CommonControlSwitchingArrangement[Telephony]CCTA CentralComputerandTelecommunicationsAgencyCCTV ClosedCircuitTeleVisionCD CarrierDetect(properlyDCD(q.v.))(EIARS-232-C)CD CertificateofDepositCD CivilDefenseCD CollisionDetection(asinCSMA/CD(q.v.))CD CompactDiskCDA CallDataAccumulatorCDA CompoundDocumentsArchitectureCDC CentersforDiseaseControlCDC ControlDataCorporation,Inc.[Corporatename]CDEV ControlpanelDEViceCDIAC CarbonDioxideInformationAnalysisCenterCDO CommunityDialOfficeCDR CommanDeRCDR ContentsoftheDecrementpartoftheRegister(LISP)CD-ROM CompactDiskReadOnlyMemoryCD-ROM CompactDiskRead-OnlyMemory[Space]CDSF CommerciallyDevelopedSpaceFacilityCDT CentralDaylightTimeCDU ControlDisplayUnitCE ChemicalEngineerCE CivilEngineerCE CommonEra(substituteforAD)CE CorpsofEngineersCE CustomerEngineer(seealsoFE,SE)CEA Commissariatal'EnergieAtomique(FrencAtomicEnergyCommision)CEA CouncilofEconomicAdvisorsCEA CountyEducationAuthorityCEC CommissionoftheEuropeanCommunitiesCED CommitteeforEconomicDevelopmentCELSS ControlledEcologicalLifeSupportSystem[Space]CENS Centred'EtudesNucleairesdeSeclayCENTO CENtralTreatyOrganizationCEO ChiefExecutiveOfficerCERFnetCaliforniaEducationandResearchFederationNetworkCERN EuropeanOrganizationforNuclearResearchCERN organisation(formerlyConseil)EuropeennepourlaRechercheNucleairesCERT ComputerEmergencyResponseTeamCEVI CommonEquipmentVoltageIndicatorCF CarryForwardCF CoinFirst(payphone)[Telephony]CF CysticFibrosis[Disease]CFA CenterForAstrophysics[Space]CFC Chloro-FluoroCarbon[Chemical]CFC CombinedFederalCampaignCFD ComputationalFluidDynamicsCFHT Canada-France-HawaiiTelescope[Space]CFI Cost,Freight,andInsuranceCFL CanadianFootballLeagueCFO ChiefFinancialOfficerCG CoastGuardCG CommandingGeneralCGA ColorGraphicsAdapterCGCT CompagnieGeneraledeConstructionsTelephoniquesCG&E CincinnatiGas&ElectricCGE CompagnieGeneraled'ElectriciteCH CardboardHeroesCH ClearingHouseCH CourtHouseCH CustomsHouseCHA ChampionsCHAP CHAnnelProcessorCHARA CenterforHighAngularResolutionAstronomy[Space]CHI Chill: AdventuresintotheUnknownCHOTS CorporateHeadquartersOfficeTechnologySystemCHP CaliforniaHighwayPatrolCI CubicInchesCIA CentralIntelligenceAgency[USGovernment]CIA CulinaryInstituteofAmerica(HydePark,NY)CIC CarrierIdentificationCodes[Telephony](10XXXcodes)CIC CommitteeonInstitutionalCooperationCIC CoordinationandInformationCenter[CSNet]CICA CompetitioninContractingActCICS CustomerInformationControlSystem[IBM]CID CallerID[Telephony](seealso:CLID,ANI)CID CentralInstitutefortheDeafCID ChargeInjectionDevice(seeCCD)CID ComputerIntegratedDesignCIDIN CommonIcaoDataInterchangeNetworkCIM ComputerIntegratedManufacturingCIO ChiefInformationOfficerCIRRIS CryogenicInfraRedRadianceInstrumentforShuttle[Space]CISC ComplexInstructionSetComputerCIT CaliforniaInstituteofTechnologyCIT CaseInstituteofTechnology(partofCWRU,Cleveland,OH)CIT CircumstellarImagingTelescope[Space]CLASP ComprehensiveLogisticsAutomatedSupportProgramCLASS CustomLocalAreaSignalingService[Telephony]CLI CommandLineInterpreterCLID CallingLineID[Telephony](seealso:CID,ANI)CLNP Connectionless-modeNetworkProtocolCLNS Connectionless-modeNetworkServiceCLR CombinedLineandRecordingCLRC CircuitLayoutRecordCardCLU CharteredLifeUnderwriterCLUT ColorLookUpTablecm centimetersCM CommandModule(Apollospacecraft)[Space]CM CongregationoftheMissionCMC CommunicationMachineryCorp.CMD CentralizedMessageDistributionCMIP CommonManagementInformationProtocolCMIS CommonManagementInformationServicesCML CurrentModelLogicCMMU Cache/MemoryManagementUnitCMOS ComplementaryMetalOxideSemiconductor(seeMOS)CMOT CommonManagementInformationServicesandProtocolOverTCP/IPCMRR CommonModeRejectionRatioCMS CircuitMaintenanceSystemCMSgt ChiefMasterSergeantCMU Carnegie-MellonUniversityCMYK Cyan,Magenta,Yellow,blacKCN CanadianNational[Corporatename,Railroading]CN/A CustomerName/Address[Telephony]CNI CommonNetworkInterface[Telephony,AT&T](DepartmentofAT&T)CNN CableNewsNetworkCNO Carbon-Nitrogen-Oxygen[Space]CNO ChiefofNavalOperationsCNR CanadianNationalRailwaysCNR CarriertoNoiseRatioCNRI CorporationforNationalResearchInitiativesCNRS CentreNationaldelaRechercheScientifique(FrenchNationalCenterforScientificResearch)CNS CentralNervousSystemCNSR CometNucleusSampleReturn[Space]CO CashOrderCO CentralOffice[Telephony]CO ColoradoCO CommandingOfficerCO ConscientiousObjectorC/O inCareOfCOB CloseOfBusinessCOBE COsmicBackgroundExplorer[Space]COBOL COmmonBusinessOrientedLanguageCOC CallofCthulhuCOCOT CustomerOwned,CoinOperatedTelephone[Telephony]COD CollectOnDelivery;CashOnDeliveryCODEC COder-DECoderCOER CentralOfficeEquipmentReportCOLA Cost-Of-LivingAllowanceCOM ComputerOutput(on)MicroficheCOM ComputerOutput(on)MicrofilmCOMAS CentralOfficeMaintenanceandAdministrationSystemCOMM CommunicationsCOMPACTCOMmercialProductACquisitionTeamCOMPTELCOMPtonTELescope(onGRO)[Space]COMSAT CommunicationsSatellite[Space]CONACYTConsejoNacionaldeCiencaYTecnologia(MexicanNationalCouncilofScienceandTechnology)CONS Connection-OrientedNetworkingServiceCONS Connection-OrientedNetworkingSessionCONS CONStruct(LISP)CORE COntrolledRequirementExpressionCORN COmputerResourceNucleusCOS CorporationforOpenSystemsCOSINE CooperationforOpenSystemsInterconnectionNetworkinginEuropeCOSMIC COmmonSystemMainInterConnectingframeCOSMIC COmputerSoftwareManagementandInformationCenterCOSMOS COmputerSystemforMainframeOperationSCOSTAR CorrectiveOpticsSpaceTelescopeAxialReplacement[Space]COT CardOrTape(NCR)CP CampusPolice(MIT,othersprobablytoo)CP CanadianPacificCP ChemicallyPureCP CommandPostCP CommandProcessorCP CoPyCP theCanadianPressCPA CertifiedPublicAccountantCPE CustomerPremisesEquipmentCPE CustomerProvidedEquipmentCPFF CostPlusFixedFeeCPI CharactersPerInchCPI CommonProgrammingInterfaceCPL CombinedProgrammingLanguageCPM ControlProgramforMicrocomputers(sometimesCP/M)CPM ControlProgramMonitor(sometimesCP/M)CPO ChiefPettyOfficerCPO ChiefPostOfficeCPR CanadianPacificRailwayCPS CharactersPerSecondCPSR ComputerProfessionalsforSocialResponsibilityCPT CaPTainCPU CentralProcessingUnitCPW CertifiedPublicWeigherCQ ChangeofQuartersCR CarriageReturn(ASCII15octal)CRA CambridgeRedevelopmentAuthorityCRAF CometRendezvous/AsteroidFlyby[Space]CRAM CardRandomAccessMemory(NCR,butmaybeothers)CRC ChemicalRubberCompanyCRC CyclicRedundancyCheckCREG ConcentratedRangeExtensionwithGainCREN TheCorporationforResearchandEducationalNetworking(mergeofBITNETandCSNet)CRRES CombinedRelease/RadiationEffectsSatellite[Space]CRRES CombinedReleaseandRadiationEffectsSatellite[NASA]CRT CathodeRayTube(alsogenericreferencetoaterminal)CRTC CanadianRadio-televisionandTelecommunicationsCommissionC&S Chivalry&SorceryCS CivilServantCS ComputerScience;ComputingScienceCS CountySeatCSA ConfederateStatesofAmericaCSAB ComputingSciencesAccreditationBoardCSACS CentralizedStatus,AlarmandControlSystemCSC ComputerSciencesCorporationCSDC CircuitSwitchedDigitalCapabilityCSF CriticalSuccessFactorCSI CommercialSystemsIntegrationCSIS CanadianSecurityandIntelligenceServiceCSL CoinSupervisingLinkCSM CommandandServiceModule(Apollospacecraft)[Space]CSM CommandSergeantMajorCSMA CarrierSenseMultipleAccessCSMA/CACarrierSenseMultipleAccesswithCollisionAvoidanceCSMA/CDCarrierSenseMultipleAccesswithCollisionDetectionCSNET Computer+ScienceNetwork(mergedwithBITNETtomakeCREN)CSO CentralServicesOrganizationCSOC ConsolidatedSpaceOperationsCenter(atColoradoSprings)CSP ControlSwitchingPointCSR ControlandStatusRegisterCSR CustomerServiceRepresentative[Telephony]CSRG ComputerSystemsResearchGroupCSRS civilServiceRetirementSystemCSS CustomerSwitchingSystemCST CentralStandardTimeCSU ChannelServiceUnitCT CentralTimeC&T Communications&Tracking[Space]CT ConnecticutCTC CanadianTransportCommissionCTC CentralizedTrafficControl[Railroading]CTD ComputingandTelecommunicationsDivisionCTIO CerroTololoInter-americanObservatoryCTIO CerroTololoInteramericanObservatory[Space]CTNE CompaniaTelefonicaNacionaldeEspanaCTS ClearToSend(EIARS-232-C)CTS CompatibleTimesharingSystemCTV CanadianTeleVisionnetworkCU Close-UpCUA CommonUserAccessCUL SeeYouLater[Netjargon]CV CurriculumVitaeCW CarWarsCW ChemicalWarfareCW ChildWelfareCW ChurchwardenCW ChurdwardenCW ContinuousWaveCWO CashWithOrderCWO ChiefWarrantOfficerCWRU CaseWesternReserveUniversityCXI CommonX-windowsInterfaceCY CalendarYearCYO CatholicYouthOrganizationCZ CanalZoneD DepthDA DaysafterAcceptanceDA DepartmentofAgricultureDA DepositAccountD/A DigitaltoAnalogconverterDA DirectoryAssistance(/C=computerized,/M=Microfilm)[Telephony]DA DistrictAttorneyDA Don'tAnswer[Telephony](maybemoregeneral)DAC DigitaltoAnalogConverterDA/C DirectoryAssistance/ComputerizedDACCS DigitalAccessCrossConnectSystem[Telephony](suspect,seeDACS)DACS DigitalAccessCross-connectSystem[Telephony]DAD DraftADdendumDAG DirectedAcyclicGraphDAL DedicatedAccessLine[Telephony]DA/M DirectoryAssistance/MicrofilmDAP DivisionAdvisoryPanel(ofNSF(q.v.)DNCRI(q.v.))DAR DaughtersoftheAmericanRevolutionDARE DrugAbuseResistanceEducationDARPA DefenseAdvancedResearchProjectsAgency(oftheDoD,seealsoARPA)DASD DirectAccessStorageDeviceDAT DigitalAudioTapeDATA DefenseAirTransportAdministrationDAV DisabledAmericanVeteransDB DataBasedb decibel(s)dba doingbusinessasDBF DBaseFormatDBME DataBaseManagmentEnvironmentdbms DataBaseManagementSystem(rdbmsforRelational...)DBRAD DataBaseRelationalApplicationDirectoryDC DirectCurrent(dc,seealsoAC)DC DistrictofColumbiaDCA DefenseCommunicationsAgencyDCA DistributedCommunicationArchitectureDCA DocumentContentArchitectureDCC DescriptiveCatalogingCommitteeDCCO DefenseCommercialCommunicationsOfficeDCD DataCarrierDetect(sometimesCD(q.v.))(EIARS-232-C)DCE DataCommunicationEquipmentDCL DigitalCommandLanguageDCP DistributedCommunicationsProce