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1、分類號(hào)密級(jí)UDC1注學(xué)位論文AComparativeStudyofRulebasedStatisticalbasedMachineTranslationModels（題名和副題名）王茜（作者姓名）指導(dǎo)教師姓名伍忠杰教授電子科技大學(xué)成都（職務(wù)、職稱、學(xué)位、單位名稱及地址）申請(qǐng)專業(yè)學(xué)位級(jí)別碩士專業(yè)名稱外國(guó)語(yǔ)言學(xué)及應(yīng)用語(yǔ)言學(xué)論文提交日期20110507論文答辯日期20110526學(xué)位授予單位和日期電子科技大學(xué)答辯委員會(huì)主席評(píng)閱人年月日注1：注
2、明《國(guó)際十進(jìn)分類法UDC》的類號(hào)。AbstractAbstractThisthesismainlydiscussesthewkingprocessarchitecturalstructuresaswellastheadvantagesdisadvantagesofmainstreammachinetranslationmodels.Itisfoundthatinpreviousresearchesmostofthemfocusedont
3、hecomparisonofMTproductqualitiesinthetextlevelintheircommercialeconomicalvalueswhilefewresearcheshaveexpledthewkingsystemsofMTmodelswhichdeterminetoalargedegreetheaccuracyoftranslationproduct.Inthisstudythreeresearchques
4、tionsareaddressed:1)howthemechanicsfunctioninthetranslatingprocessofeachmodel2)howlinguisticfeaturesaredealtwithintheprocessofmachinetranslation3)Whatimprovementscanbesuggestedontheaccuracyfluencyofmachinetranslation.Faq
5、uantitativestudyseventyfivepiecesofbilingualnewsreptscoveringvarioustopicsarecollectedfromChinaDaily’sofficialonlinewebsiteasthesampletextsfevaluation.AllthesampleChinesetextsareprocessedbytwoMTsystemsGoogleTranslateSYST
6、RATranslationftheirEnglishversions.ThenanautomaticevaluationoftheMTproductsisexecutedthroughBLEUmetricfanoverallinvestigationoftheRBMTmodelSBMTmodel.ItisrevealedthatGoogleTranslateissuperitoSYSTRAinaccuracyoftranslationo
7、nvocabularylevel.HumanevaluationiscarriedoutbymarkingstingtranslationerrsfrequentlyfoundinthetranslationbythetwoMTsystems.ThefindingsdemonstratethatthetwoMTmodelsdifferindealingwithdifferentaspectsoflinguisticfeaturesint
8、heirtranslation.WhileGoogleTranslatehasadvantagesinprocessinglexicalsemanticmeaningofthesourcetextsSYSTRAkeepsbetterwdderssyntacticalrelations.InadditiontypicaltranslationerrsofthetwoMTsystemsareusedasexamplesfaqualitati
9、veanalysisinthethesis.ItisrevealedthatGoogleTranslatecanprocesscomparativestructuresbetterinthelexicallevelwhileSYSTRAcanwkbetteroncomplexsyntacticstructuressuchasattributiveclauses.Thefruitsoftheresearchprovideareliable
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