【正文】 Circuit)光電子集成芯片　OFDM(OrthogonalFrequencyDivisionMultiplexing)正交頻分復(fù)用　OFS(OpticalpacketFlowSwitching)光分組流交換　OLPS(OpticalLabelPacketSwitching)全光標(biāo)簽分組交換（技術(shù)）　OLT(OpticalLineTerminal)光線路終端　ONU(OpticalNetworkUnit光網(wǎng)絡(luò)單元　OPS(OpticalPacketSwitching)光分組交換（技術(shù)），電控光分組交換　OS(OpticalSwitching)光交換，光子交換　OSA(OpenSystemArchitecture)開放系統(tǒng)體系結(jié)構(gòu)　OSDM(OpticalSpatialDivisionMultiplexing)光空分復(fù)用技術(shù)　OSI(OpenSystemInterconnection)開放系統(tǒng)互連　OSIRM(OpenSystemInterconnectionReferenceModel)開放系統(tǒng)互連參考模型　OSNR(OpticalSignaltoNoiseRatio)光信噪比　OSPF(OpenShortestPathFirst)開放式最短路徑優(yōu)先（協(xié)議）　OSS(OperationalSupportSystem)運(yùn)行支撐系統(tǒng)　OTA(OverTheAir)空中下載　OTDM(OpticalTimeDivisionMultiplex)光時(shí)分復(fù)用　OTDR(OpticalTimeDomainReflectometer)光時(shí)域反射計(jì)　OTN(OpticalTransportNetwork)光傳送網(wǎng)　OXC(OpticalCrossConnection)光交叉連接　OnLine聯(lián)機(jī)：在線　OpticalDomainServiceInterconnect－ODSI光域業(yè)務(wù)互連　OpticalInternet光互聯(lián)網(wǎng)，光因特網(wǎng)　OpticalSolitonCommunication光弧子通信　OpticalVirtualPrivateNetwork－OVPN光虛擬專用網(wǎng)　Outsourcing外包　onestopshopping一站購(gòu)齊　oneness單一化　P2P(PeertoPeerNetworking)對(duì)等網(wǎng)絡(luò)技術(shù)　PACS(PersonalAccessCommunicationSystem)個(gè)人接入通信系統(tǒng)　PAD(PacketAssemblerDisassembler)分組裝拆設(shè)備　PAM(PulseAmplitudeModulation)脈幅調(diào)制　PAN(PersonalAreaNetwork)個(gè)人局域網(wǎng)，個(gè)人網(wǎng)絡(luò)　PAS(PersonalAccessSystem)個(gè)人接入電話系統(tǒng)，“小靈通”，“無(wú)線市話”　PBX(PrivateBranchExchange)專用電話交換機(jī)，用戶小交換機(jī)　PC(PersonalComputer)個(gè)人計(jì)算機(jī)　PCE(PacketConcentrater)分組集中器，用戶集中器　PCM(PulseCodeModulation)脈碼調(diào)制，脈沖編碼調(diào)制　PCN(PersonalCommunicationNetwork)個(gè)人通信網(wǎng)　PCN(PersonalCommunicationNumber)個(gè)人通信號(hào)碼　PCS(PersonalCommunicationSystem)個(gè)人通信系統(tǒng)　PDA(PersonaldigitalAssistant)個(gè)人數(shù)字助理　PDH(PlesiochronousDigitalHierarchy)準(zhǔn)同步數(shù)字系列　PDK(PersonalDistributeKey)個(gè)人分配密鑰　PDN(PublicDataNetwork)公用數(shù)據(jù)網(wǎng)　PDP(PacketDataProtocol)分組數(shù)據(jù)協(xié)議　PDSN(PacketDataServiceNode)分組數(shù)據(jù)服務(wù)節(jié)點(diǎn)　PDU(ProtocolDataUnit)協(xié)議數(shù)據(jù)單元　PGP(PrettyGoodPrivacy)很好保密　PHS(PersonalHandyphoneSystem)個(gè)人手持電話系統(tǒng)，移動(dòng)市內(nèi)電話　PIC(PhotonicIntegratedCircuit)光子集成光路，集成光路　PIN(PositiveIntrinsicNegativephotodiode)光電二極管　PKI(PublicKeyInfrastructure)公鑰基礎(chǔ)結(jié)構(gòu)　PLC(PowerLineCommunication)電子線通信（技術(shù)）　PLD(ProgrammableLogicDevice)可編程邏輯器件　PM(PhaseModulation)相位調(diào)制　PMD(PolarizationModeDispersion)偏振模色散，極化模色散　PN(PseudoNoise)偽噪聲（碼），偽隨機(jī)碼，PN碼　POA(PacketOverATM)ATM網(wǎng)絡(luò)上的分組（包）傳輸　POF(PlasticOpticalFiber)塑料光纖　PON(PassiveOpticalNetwork)無(wú)源光網(wǎng)絡(luò)　POP(PointofPresence)入網(wǎng)點(diǎn)，接入點(diǎn)　POS(PacketOverSDH)SDH網(wǎng)上的包（分組）傳輸（技術(shù)）　POTS(PlainOrdinaryTelephoneService)常規(guī)電話業(yè)務(wù)，普通老式電話業(yè)務(wù)　POW(PacketOverWavelength)在波長(zhǎng)上的包傳輸　PPC(PalmPersonalComputer)掌上電腦　PPM(PulsePositionModulation)脈位調(diào)制，脈沖時(shí)間調(diào)制　PPP(PointtoPointProtocol)點(diǎn)到點(diǎn)協(xié)議　PPPoE(PPPoverEthernet)以太網(wǎng)上的PPP技術(shù)　PPTP(PointtoPointTunnelingProtocol)點(diǎn)到點(diǎn)隧道協(xié)議　PRA(PrimaryRateAccess)一次群速率接入，基群速率接入　PRI(PrimaryRateInterface)一次群速率接口，基群速率接口　PROM(ProgrammableReadOnlyMemory)可編程只讀存儲(chǔ)器　PRS(PseudoRandomSequence)偽隨機(jī)序列　PRU(PacketRadioUnit)分組無(wú)線電設(shè)備　PS(PacketSwitching)分組交換，包交換　PSDN(PacketSwitchedDataNetwork)分組交換數(shù)據(jù)網(wǎng)　PSE(PacketSwitchingExchange)分組交換機(jī)，分組交換節(jié)點(diǎn)機(jī)，包交換機(jī)　PSK(PhaseShiftKeying)移相鍵控，相移鍵控　PSR(PhotonicSlotRouting)光子時(shí)隙路由（技術(shù)）　PSTN(PublicSwitchingTelephoneNetwork)公用交換電話網(wǎng)，公眾電話交換網(wǎng)　PTO公眾電信運(yùn)營(yíng)者　PVC(PermanentVirtualCircuit)永久虛電路　PWE3(PseudoWiresEdgetoEdgeEmulation)邊緣到邊緣偽線路仿真　PXC(PhotonicCrossConnect)光子交換，光子交叉連接　Packet分組，包　PamLAN(PublicaccessmobilityLAN)公用接入移動(dòng)局域網(wǎng)　Paralleltransfer并行傳送　PeertoPeerComputing對(duì)等計(jì)算　Peering對(duì)等操作　Pel(Pixel(Pictureelement))像素（圖像元素）　Photon光子　Piconet微微網(wǎng)　PlasmaCommunication等離子通信　PoP接入點(diǎn)　Portal入口、門戶　Protocol協(xié)議　Proxyserver代理服務(wù)器　Push信息推送（技術(shù)）　PushandPullMedia推送和拉取方式　phaselockedloop鎖相環(huán)，鎖相電路　photonicputer光計(jì)算機(jī)，光子計(jì)算機(jī)　QCDMA(QualmCDMA)窄帶碼分多址　QAM(QuadratureAmplitudeModulation)正交調(diào)幅　QPSK(QuadraturePhaseShiftKeying)四相移相鍵控，正交移相鍵控　QoS(QualityofService)服務(wù)質(zhì)量　Quantuminformationmunicationtechnology量子信息通信技術(shù)　Query查詢　RADIUS(RemoteAuthenticationDialInUserService)遠(yuǎn)程撥入用戶認(rèn)證服務(wù)　RADSL速率自適應(yīng)數(shù)字用戶線路　RADSL(RateAdaptiveDSL)速率自適應(yīng)數(shù)字用戶線　RAID，RedundantArrayofInexpensiveDisks經(jīng)濟(jì)磁盤冗余陣列　RAKERAKE接入技術(shù)　RAM(RandomAccessMemory)隨機(jī)存取存儲(chǔ)器，隨機(jī)存儲(chǔ)器　RAMA(RandomAssignMultipleAccess)隨機(jī)分配多址　RAN(RadioAccessNetwork)無(wú)線接入網(wǎng)　RARP(ReverseAddressResolutionProtocol)反向地址解析協(xié)議　RAS(RemoteAccessServer)遠(yuǎn)程接入服務(wù)器，撥號(hào)服務(wù)器　RDSS(RadioDeterminationSatelliteService)無(wú)線電定位衛(wèi)星業(yè)務(wù)　RED(RandomEarlyDetection)“隨機(jī)早期檢測(cè)”（阻塞控制）　RF(RadioFrequency)射頻　RFC(RequestForComments)請(qǐng)求評(píng)論，征求意見（文件）　RFI(RadioFrequencyInterference)射頻干擾　RIP(RoutingInformationProtocol)路由信息協(xié)議，距離向量協(xié)議　RLC(RadioLinkControl)無(wú)線鏈路控制（協(xié)議）　RPR(ResilientPacketRing)彈性分組數(shù)據(jù)環(huán)（技術(shù)），自愈彈性分組環(huán)　RRC(RadioResourceControl)無(wú)線資源控制（協(xié)議）　RSARSA公鑰密碼系統(tǒng)　RSVP(ResourceReservationProtocol)資源預(yù)留協(xié)議　RTCP(RealTimeTransportControlProtocol)實(shí)時(shí)傳輸控制協(xié)議　RTP(RealTimeTransportProtocol)實(shí)時(shí)傳輸協(xié)議　RTSP(RealtimeStreamingProtocol)實(shí)時(shí)流協(xié)議，實(shí)時(shí)流式傳輸協(xié)議　RWA(RoutingandWavelengthAssignment)路由和波長(zhǎng)分配（技術(shù)）　RZ(ReturntoZero)歸零制　Radiointerface空中接口，無(wú)線接口　Radioline無(wú)線電鏈路　ResilientPacketRing彈性分組環(huán)　ResourceReSerVationProtocol資源預(yù)留協(xié)議　Resourcesharing資源共享　Router路由器　RoutingPolicy選路策略　Routingcontol路由控制　SAN(StorageAreaNetwork)存儲(chǔ)區(qū)域網(wǎng)　SAN，Storageareanetwork存儲(chǔ)域網(wǎng)　SAP(ServiceAccessPoint)服務(wù)接入點(diǎn)　SCDMA(SynchronousCodeDivisionMultipleAccess)同步碼分多址　SCE(ServiceCreationInvironment)業(yè)務(wù)生成環(huán)境，業(yè)務(wù)創(chuàng)建環(huán)境　SCM(SubcarrierMultiplexing)副載波復(fù)用　SCM/SCMA(SubCarrierMultiplexing/SubcarrierMultipleAccess)