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1、一、判断题(共15分,每题1分)1.Numericalcontrol(NC)issti11oftenusedinterchangeablywithCNC.(V)2.TransmissionchainofCNClathesisshort.(V)3.Whenthebatteriesweaken,alightonthecontrolpanellightsup.(V)4.Machinetoolsarenotmadeinagreatmanytypesandsizes.(X)5.Whenthepowertothemachineisturne
2、doff,thecontentofthismemoryislost.(X)6.SpindleboxofCNClatheisverysimple.(X)7.Numericalcontrol(NC)isstilloftenusedinterchangeablywithCNC.(X)8.Machinecontrolcomputerperformstaskssimilartoapersonalcomputer.(V)9.Computernumericalcontrolisnottheprocessofmanufactaringmachi
3、nedparts(X)10.CNClathesareprimarilyusedtorotatebodyworkpieceswithturning(V)11.Whenthebatteriesweaken,alightonthecontrolpanellightsup.(V)12.ROMallowsreadingfromit,andwritingtoitisnormallypossible.(X)13.Aprogrammedpathisloadedintothemachine"scomputer.(V)14.Tn1992,thefi
4、rstthree-axis,tape-fedmachinetoolwascreated.(X)15.OneofCNClathe'smainfeaturesishighproductionefficiency(X)16.OnaCNCmachinecontrolcomputer,thisiswheretheprogrammerandtheoperatorstoretheCNCprogramsandreadandwriteastheylike.(V)二、填空题(共15分,每题1分)1.house4.软件7.hence10.vertic
5、alsothat2.CNC5.成本8.连词,结合11.chipalter3.turning6.RAM(RandomAccessMemory)9.伺服系统12.进化,渐近形成15.控制器三、句子翻译(共30分,每题10分)1.Tosavedatainmemorywhenthemachineisturnedoff,themachineusesitsbatteries.数据保存在内存中当机器被关闭,机器使用电池2.Aprogrammedpathisloadedintothemachinescomputerbytheoperatoran
6、dthenexecuted.一个程序路径加载到机器的电脑操作员,然后执行3.钻削是在实体金属上加工出孔的操作Drillingisoperatingonthesolidmetalprocessingoutofthehole四、段落翻译(共40分,每题20分)1.Themachinecontrolcomputerconsistsoftwomaincomponents:hardware,whichisanyphysicalcomponentinacomputersystem,suchastheprocessor,monitor,mem
7、ory,andinput/outputdevices;andsoftware,whichisageneraltermforprogramsstoredinthememoryinelectronicform.机器控制计算机包括两个主要部分组成:硬件,这是任何物理组件在一个计算机系统,如处理器、监控、内存和输入/输出设备,软件,这是一个一般术语程序存储在内存以电了形式。2.无论机床是大是小,是简单还是复杂,根据使金属成形的五种基本方法,它们都可以被划分为五种主要类型Regardlessofthemachinetoolisbigiss
8、mall,itissimpleorcomplex,accordingtothefivebasicmethodofmetalforming,theycanbedividedintofivemajortypes1.发展数控技术的目的在于:1)增加产量,2)提高产品的