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1、专业英语主讲,石孰萍都椿Unit1科技英语基础知识Unit8DataCommunicationsUnit2ElectricalTechniqueUnit93rdGenerationMobileUnit3MicroelectronicsCommunicationsUnit4ElectronicCommunicationsUnit10ImagesandTelevisionsUnit5DigitalmodulationUnit11OpticalFiberUnit6DigitalSianalPracessincCommunication禅吴Unit7ISDNun嘌苇罄o巳rwttchChnique1.
2、1科技英语的特点复杂长吕多将其分解为适当数目的简单分句,使之简化。例1.Theelectronbeamsweepsacrosseachlineatauniformrate,thenfliesbacktoscananotherlinedirectlybelowthepreviousoneandscon,untilthehorizontallinesintowhich公训desiredtcbreakkOrp伟tbeenscannedinthedesiredsequene可将其分解为beamsweepseachline,thenfiesbacktoscananotherine.iisdesiredt
3、obreakpictureintolinesin.desiredsequence-例2.Thetechnicalpossibilitiescouldwellexisttherefore,ofnation-wideintegratedtransmissionnetworkofhighcapacity,controlledbycomputers,interconnectedgloballybysatelliteandsubmarinecable,providingspeedyandreliablecommunicationsthroughouttheworld.该吕的骨架是:Thepossibil
4、itiesofnetworkcouldexist.暗丽被动语态多移技荣语为了遵克止观性和个人色彩,常用被助语态-诙吊可译为“被5、“经过“、“受了“、“由于“等。例3Adatabasemaybedesignedforbatchprocessing,real-timeprocessing,orin-lineprocessing-例4ffweconsiderbinarytransmission,ther0mD_PFinformaticnabout&palticularmesce命园i国obtainedbysimplydetectingthepresepulse.1例5Noisecanbeintro
5、ducedintotransmissionpathinmanydifferentways,perhapsviaanearbylightingstrike,thesparkingofacarignitionsystem,orthethermallow-levelnoisewithinthecommunicationequipmentitself.Lightingstrike“照明lgnitionsystem点火系统thermalnolse非谓语动词多英语语法要求,每个简单句只能有一个动词。如果有儿个动作,则选出一个主要动作当谓语,其余动作用非谓语动词表示。动名词非谓语动词|分词(仪挂现在分词秧沈一酯词)相1随例6Tobeatrueprofessionalrequireslifelonglearning-例7Heatingwaterdoesnotchangeitschemicalcomposition.邱娆词性转换多英语单词中有不少是多性词:既是名词,又可作动词、形容词、介词等。如:currentadj当前的n电流determinantadj确定的n行列式potentialadj潜在的园多是论述性问题,感情色彩淡句子力求简单严谦,因此常用省略手法和图表表示法e词语力求短小精悍,常用复合词文章力求层沟分明,多月j巨妾藁_誓蘑臀槽-E|用词较正规,多为技术性用词L
