Unit-7-Machine-Translation全新版大学英语综合教程五

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1、Unit7MachineTranslationBR-mainBeforeReading2.ATalkaboutMachineTranslation3.Discussion4.Topic-relatedPrediction1.AboutMachineTranslationDefinitionWhyBotherMTandOthersListentotheTalkQuestionsabouttheTalk5.BackgroundInformationBR1-AboutMachineTranslation1DefinitionWhatismachinetranslation?Machinetransl

2、ationistheapplicationofcomputerstothetranslationoftextsfromonenaturallanguageintoanother.BR1-AboutMachineTranslation2Whatdoyouthinkarethemainreasonsthatpeopleattemptmachinetranslation?practicalreasonsidealismmotivesWhyBotherBR1-AboutMachineTranslation3militarypurposepurescientificcuriositycommercial

3、andeconomicmotivesBR1-AboutMachineTranslation2.1practicalreasonsTheprincipalreasonisaseverelypracticalone:scientists,technologists,engineers,economists,agriculturalists,administrators,industrialists,businessmen,andmanyothershavetoreaddocumentsandhavetocommunicateinlanguages■theydonotknow;andthereare

4、justnotenoughtranslatorstocopewiththeeverincreasingvolumeofmaterialwhichhastobetranslated.Machinetranslationwouldeasethepressure.BR1-AboutMachineTranslation2.1._2idealismmotivesManyresearchershavebeenmotivatedbyidealism:thepromotionofinternationalcooperationandpeace,theremovaloflanguagebarriers,thet

5、ransmissionoftechnical,agriculturalandmedicalinformationtothepooranddevelopingcountriesoftheworld.■BR1-AboutMachineTranslation3militarypurposeSomesponsorsofmachinetranslationactivityhaveseenitsimportanceinmilitaryandintelligencecontexts:tohelpthemfindoutwhatthe“enemy”knows.■BR1-AboutMachineTranslati

6、on3_2purescientificcuriosityThereare“pureresearch”reasons:tostudythebasicmechanismsoflanguageandmind,toexploitthepowerofthecomputerandtofinditslimitations.■BR1-AboutMachineTranslation3_3commercialandeconomicmotivesTherearesimplecommercialandeconomicmotives:tosellasuccessfulproduct,ortomaintainahighs

7、tandardoflivinginacompetitiveworld.■BR1-MTandOthersMTandOthersWhatdoyouthinkthefollowinghavetodowiththedevelopmentofmachinetranslation?thelaunchofthefirstsputnikin1957IntheUnitedStatesduringthe1950san