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专业英语.doc

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专业英语.doc

1一、专业术语英汉互译(每小题1分,共36分)1MULTIPOINTTOOL2NATIONALSTANDARD3TOOLWEAR4LEADSCREW5ENGINELATHE6MEMS7BILATERALTOLERANCE8CATHODE9FRAGILEMATERIAL10COMPOUNDREST11TWISTDRILL12SPECIALPURPOSEFIXTURE13ABRASIVEGRAINS14LOWERDEVIATIONS15TOOLSETTINGELEMENT16TOLERANCEZONE17POSITIVEALLOWANCE18INTERCHANGEABILITY19REJECTRATES20INTERNALTURNING21RACKANDPINION22MACHINETOOL23SPURGEAR24MANIPULATEDVARIABLE25特种加工工艺26残余应力27电火花加工28过盈配合29基孔制30自由度31齿轮传动32一级减速33闭环控制34伺服机构35分辨率36数字信号二、单句英汉互译(每小题4分,共40分)1MEDIUMCARBONSTEELISGENERALLYUSEDINAPPLICATIONSREQUIRINGHIGHERSTRENGTHTHANISAVAILABLEINLOWCARBONSTEELS,SUCHASINMACHINERY,INAUTOMOTIVEANDAGRICULTURALEQUIPMENTPARTSGEARS,AXLES,CONNECTINGRODS,CRANKSHAFTS,INRAILROADEQUIPMENT,ANDINPARTSFORMETALWORKINGMACHINERY2INTURNING,AWORKPIECEISROTATEDABOUTITSAXISASSINGLEPOINTCUTTINGTOOLSAREFEDINTOIT,SHEARINGAWAYEXCESSMATERIALANDCREATINGTHEDESIREDCYLINDRICALSURFACE3INCHEMICALMACHINING,MATERIALISREMOVEDFROMSELECTEDAREASOFWORKPIECEBYIMMERSINGITINACHEMICALREAGENTSORETCHANTS,SUCHASACIDSANDALKALINE2SOLUTIONS4HOWMATINGPARTSORASSEMBLIESFITTOGETHERWITHCOMPONENTPARTSISREFERREDTOASFIT,WHICHINCLUDESCLEARANCEFIT,INTERFERENCEFIT,ORTRANSITIONFIT,SEEFIG735JIGSARERARELYCLAMPEDONTHEMACHINETABLEBECAUSEITISNECESSARYTOMOVETHEJIGONTHETABLETOALIGNTHEVARIOUSBUSHINGINTHEJIGWITHTHEMACHINESPINDLE6THESIMPLESTARRANGEMENTOFSPURGEARSISASINGLEPAIROFGEARSCALLEDASINGLEREDUCTIONSTAGE,WHEREOUTPUTROTATIONISINADIRECTIONOPPOSITETHATOFTHEINPUT7INTHEOPENLOOPCONTROLSYSTEM,NOTONLYARETHEVALUESOFTHEPARAMETERSOFAPROCESSOFTENNOTPRECISELYKNOWN,BUTTHEYMAYALSOCHANGEGREATLYWITHOPERATINGCONDITIONS8ATRANSDUCERISADEVICEWHICHCONVERTSTHEQUANTITYBEINGMEASUREDINTOANOPTICAL,MECHANICAL,ORMORECOMMONLYELECTRICALSIGNAL9不必要的紧公差会导致由于昂贵的制造方法和较高的废品率所带来的高的制造成本。10齿轮传动系统主要用于工业设备如机床、汽车、工程机械、农业机械以及建筑机械。三、根据英文意思选择合适的单词或词组(每小题2分,共10分)1APRESSISUSEDTOBOREHOLESINTOAWORKPIECE2AISARANDOMPOINTCUTTINGTOOLWHICHUSESABRASIVESINTHESHAPEOFAWHEEL,BONDEDTOABELT,ASTICKORSIMPLYSUSPENDEDINLIQUID3AHOLDSTHEWORKPIECEANDROTATESIT,ANDTHESHARPENEDEDGEOFATOOLCUTSANDREMOVESMATERIAL4ISARELATIVELYSIMPLECUTTINGOPERATIONWHICHFLATSSURFACE5AISVERSATILEMACHINETOOLWHICHISUSEFULFORMACHININGTHEROUGH3SURFACEOFAWORKPIECEFLATANDSMOOTHANDFORSHAPINGTHEMWITHSLOTSAPLANNINGBMILLINGMACHINECLATHEDGRINDINGMACHINEELEADSCREWFBANDSAWGDRILL四、文献段落翻译(14分)PROCESSPLANNINGREPRESENTSTHELINKBETWEENENGINEERINGDESIGNANDSHOPFLOORMANUFACTURINGITISCONCERNEDWITHSELECTINGMETHODSOFPRODUCTIONTOOLING,FIXTURES,MACHINERY,SEQUENCEOFOPERATIONS,ANDASSEMBLYALLOFTHESEDIVERSEACTIVITIESMUSTBEPLANNED,WHICHTRADITIONALLYHASBEENDONEBYPROCESSPLANNERSTHESEQUENCEOFPROCESSESANDOPERATIONSTOBEPERFORMED,THEMACHINESTOBEUSED,THESTANDARDTIMEFOREACHOPERATION,ANDSIMILARINFORMATIONALLAREDOCUMENTEDONAROUTINGSHEETWHENDONEMANUALLY,THISTASKISHIGHLYLABORINTENSIVEANDTIMECONSUMINGANDRELIESHEAVILYONTHEEXPERIENCEOFTHEPROCESSPLANNERMODERNPRACTICEINROUTINGSHEETSISTOSTORETHERELEVANTDATAINCOMPUTERSANDAFFIXABARCODEOROTHERIDENTIFICATIONTOTHEPARTINORDERTOSHORTENTHEGAPBETWEENCADANDCAM,MANYCOMPUTERIZEDPROCESSPLANNINGAPPROACHESHAVEBEENDEVELOPEDTOACCOMPLISHTHETASKOFPROCESSPLANNINGINTHEPASTDECADESTHESEAPPROACHESAREKNOWNASCOMPUTERAIDEDPROCESSPLANNINGCAPPWITHTHEHELPOFCAPP,BETTERANDFASTERPROCESSPLANSCANBEGENERATEDCAPPCANBECLASSIFIEDINTOTHREECATEGORIESINDEXED(检索式)CAPP,VARIANTCAPPANDGENERATIVECAPPEACHAPPROACHISAPPROPRIATEUNDERCERTAINCONDITIONS

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