通信专业英语考试习题 .pdfVIP

通信专业英语考试习题

一、汉译英

用户,订购者Subscriber

短消息服务SMS

信号干扰Signal—jamming

天线Antenna

移动电话Mobiletelephone

覆盖率penetrationrate

预付费业务Pay-as-you-go

充电recharge

锂离子电池Lithium-ionbattery

摄像机Camcorder

红外连接Infraredconnectivity

蓝牙连接Bluetoothconnectivity

个人电脑PC

打出的电话Outboundcall

打入的电话Incomingcall

主叫方付费CallingPartyPays

被叫方付费ReceivingPartyPays

点对点技术P2P

因特网声传协议VoIP

通用分组无线服务GPRS

全球移动通信系统GSM

主干网Backbone

文件分享系统Filesharingsystem

重新设置reconfigure

视频点播系统videodemandservice

二、填空

1、W-CDMAisusuallyseenasthenaturalevolutionpathfor

GSMandTDMAnetworks.

2、VariousnetworkstandardsmaybeusedinMobile

Broadband,suchasGPRS,3G,WiMAX,UMTS/HSPA,EV-DOand

someportablesatellite-basedsystems.

2、GPRS服务isaMobileDataServiceavailabletousersof

GlobalSystemforMobile

Communications(GSM系统)andIS-136mobilephones.It

providesdataratesfrom56upto114Kbps

4、ThemostcommontypesoftelephonecardsarePrepaid

cards,Pincards,Stored-value

cards.

5、Trunktelecommunicationisacomplextypeofcomputer-

controlledradiosystem.it

usesafewchannels(theactualfrequencies),andcanhave

virtuallyunlimitedtalkgroups.

Thecontrolchannelcomputersendspacketsofdatato

enableonetalkgrouptotalktogether,regardlessoffrequency.

6、BroadbandInternetAccess,shortentojust

“broadband”,ishighspeedInternet

access—typicallycontrastedwithdial-upaccessover

modem.

7、Wi-Fiallowslocalareanetworks(LANs)tobedeployed部

署withoutcablingfor

clientdevices,typicallyreducingthecostsofnetwork

deploymentandexpansion.

8、Wirelessnetworkadapters网卡arenowbuiltintomost

laptops.Thepriceof

chipsetsforWi-Ficontinuestodrop,makingitan

economicalnetworkingoptionincluded