专业英语-作业

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1、1.DrawaconnectedlinebetweenthetermandthecorrespondingChinesemeaning,whicharelistedinthefollowingtwocolums.Turning钻床Milling铣床Drilling车削Boring铣削Grinding磨削Lathe磨床Millingmachine车床Drillpress钻削Grindingmachine加工中心Machiningcenter镗削Task12.AcronymrevertingEDMLBM

2、USM3.TanslatethefollowingsentencesintoEnglish.(1)加工工序通常被分为4类：1）基本加工工序（例如金属铸造和塑料成型）；2）二次加工工序（包括机械加工和压力加工）；3）增强物理特性的加工（如热处理工序）；4）最终加工工序（如喷漆和抛光）。(2)加工方法包括普通加工方法和特殊加工方法，普通加工方法如车削、铣削、钻削、镗削和磨削等；特殊加工方法如电火花加工、激光加工和超声波加工等。1.Drawaconnectedlinebetweenthetermandth

3、ecorrespondingChinesemeaning,whicharelistedinthefollowingtwocolums.Display鼠标Mouse三维3D编程NC工件Real-time数控Workpiece实时的Partfamily零件族Programming显示器Task22.AcronymrevertingCADCAMCNCDNCAPTPC1.Drawaconnectedline.manufacturing半成品marketing编织after-sales售后heattreati

4、ng长期canning短期short-term灌装work-in-process制造orientation方向long-term热处理weaving市场Task32.Acronymreverting.CIMJIT3.TranslatethefollowingsentencesintoEnglish.(1)制造公司采用凸轮驱动的控制器和限位开关进行生产，像热处理、灌装、瓶装和编织。（2）CIM能够提高生产效率40%—70%，同时也能提高质量。（3）管理者必须明白，要实现CIM，短期目标必须支持长期目标

5、。1.TanslatethefollowingsentencesintoChinese.(1)Inanyautomaticcontrolsystem,thefourbasicfunctionsthatoccurare:Measurement,Comparison,Computation,Correction.(2)Thethreefunctionalelementsneededtoperformthefunctionsofanautomaticcontrolsystemare:Ameasuremen

6、telement,AnerrordetectionelementandAfinalcontrolelement.(3)Inthisopen-loopsystem,thereisnowaytoensuretheactualspeedisclosetothedesiredspeedautomatically.(4)Afeedbackloopisacommonandpowerfultoolwhendesigningacontrolsystem.Task42.Translatethefollowingphr

7、asesintoChineseorEnglish.1.measurementelement2.自动控制系统3.close-loopsystem4.控制量5.errordetectionelement6.末端元件7.manipulatedvariable8.输出响应1.TanslatethefollowingparagraphintoChinese.Thereareseveralpossiblewaystoclassifyrelays:byfunctions,byconstruction,byappl

8、ication.Relaysareoneoftwobasictypesofconstruction:electromagneticorsolidstate.Theelectromagnetictypereliesonthedevelopmentofelectromagneticforcesonmovablemembers,whichprovideswitchingactionbyphysicallyopeningorclosingsetsofcontacts.Thes