pec电气工程专业英语证书考试-电气自动化专用术语

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1、PEC电气工程专业英语证书考试-GlossaryofElectricalEngineeringandAutomation100BaseT - AsynonymfortheFastEthernetnetworkstandard.The"100"referstoamaximumdata-transferrateof100megabitspersecondovertwistedpair,copperwire.10BaseT - AsynonymfortheFastEthernetnetworkstandard.The"1

2、0"referstoamaximumdata-transferrateof10megabitspersecondovertwistedpair,copperwire.10K - AgradelevelBoxorCoverrating.See"IncidentalLightTraffic".1A - 1NormallyOpen1B - 1NormallyClosed20A - ACaliforniarulingthathastheinvestorownedutilitiesperformingtheunder-gro

3、undingofelectricalcables.Thefundstoperformtheworkarederivedfromratesandgointoasinkingfundthatisusedatthediscretionofthemunicipalitytheelectric20B - ACaliforniarulingthathastheinvestorownedutilitiesperformingtheunder-groundingofelectriccables.Thefundstoperformt

4、hisworkarederivedfromacombinationofratesandthedeveloperofthelandthelineison.Thisworkisdoneatthedi20C - ACaliforniarulingthathastheinvestorownedutilitiesperformingtheunder-groundingofoverheadelectricalcables.Thefundstoperformthisworkarederivedfromthedeveloperof

5、thelandthelineison.20K - AgradelevelBoxorCoverrating.See"OccasionalTraffic".2S1W - TwoSpeed,1Winding(motor).2S2W - TwoSpeed,2Winding(motor).3Phase - See"ThreePhase"and"Polyphase"600Volt - Electricalsystems,cablesorservicedesignedtobeoperatedunder1000Volts.600V

6、-UD - 600VoltUndergroundDistributionCable.802.11a - AspecificationforawirelessLANthatoperatesinthe5GHzfrequencyrangeandprovidesadatatransmissionrateof54Mbpsusingspreadspectrumtechnology.802.11b - AspecificationforawirelessLANthatoperatesinthe2.4GHzrangeandprov

7、idesadatatransmissionrateof11Mbpsusingspreadspectrumtechnology.ThisspecificationwasknownasWi-Fibutthetermnowappliesto802aand802gaswell.802.11g - AspecificationforawirelessLANthatoperatesinthe2.4GHzfrequencyrangeandprovidesadatatransmissionrate,overshortdistanc

8、es,of54Mbpsusingorthogonalfrequencydivisionmultiplexing(OFDM)technology.802.1x - AsecuritystandardforwiredandwirelessLANs.AA - 1)Amperes;Amps.2)Area.ForcablesAreaisexpressedinCircu