科技英语课文翻译及答案课后答案和译文

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1、科技英语考试题型与分值PartIMatchthewordswiththeirdefinition.Fillthenumberofthewordinthebracket.(5%)10个小题，每题0.5分。PartIITranslateEnglishphrasestoChineseorChineseonestoEnglish.(30%)30个小题，每题］分o1-20英译汉，21-30汉译英。PartIII.Translatethefollowingsentences.(40%)10个句子，每个句子4分。1・5英译

2、汉，6・10汉译英。PartIV.Readingcomprehension(25%)A.Answerthefollowingquestionsaccordingtothearticlesinthetextbook^15%)5个问题，每题3分。B.Choosethebestanswerfromthefourchoicesgiven.(10%)5个选择题，每题2分。Unitl练习答案及课文译文Part2ReadingAIIF2T3F4T5T6.F7.T&T9.F10.TII1.Reducingthetimeand

3、costofproductdevelopmentandproduction.2.Theproductcycleiscomposedoftwomainprocesses：thedesignprocessandthemanufacturingprocess.3.Theactivitiesinvolvedinthedesignprocesscanbeclassifiedlargelyastwotypes：synthesisandanalysis.4.Rapidprototypingisbecomingpopular

4、becausethistechnologyenablestheconstructionofaprototypebydepositionlayersfromthebottomtothetop-5.Thisincludesthepreparationofdrawingstreports,andbillsofmaterials.IIIl.d2.e3.b4.j5.i6.c7.f8.h9.g10.aIV1.处理速度2.用户友好的交互图形3.产站周期4.设计规格5.设计评价6.CAD7.CAM8.CAE9.designp

5、rocess10.productionprocessV1.除非能以较低的价格提供更好的质量及更短的交货时间捉供新产品，否则任何金业都无法在当今的国际竞争中立足。2.设计过程始于由市场人员认定的用户需求，止于对产品的完整描述，通常用图形来表现。3.例如：尺寸缩小表示一张薄的材料由具有厚度属性的等效1111面来代表，或一个细长区域由具有截面特性的线段来表示。4.如图10・1所示，制造过程根据设计过程的图纸始于工艺计划，止于实际的产品。5.首先要导出一个分析模型，因为分析子过程适用于该模型而非设计本身。VI.1.T

6、hus,tounderstandtheroleofCAD,CAM,andCAE,weneedtoexaminethevariousactivitiesandfunctionsthatmustbeaccomplishedinthedesignandmanufactureofaproduct.2.AsillustratedinFig.10-1,theinitialdesignactivities（suchasidentificationofthedesignneed,formulationofdesignspec

7、ifications,feasibilitystudywithcollectingrelevantdesigninformation,anddesignconceptualization）arepartofthesynthesissubprocess.3.Oncetheconceptualdesignhasbeendeveloped,theanalysissubprocessbeginswithanalysisandoptimizationofthedesign.4.Thistechnologyenables

8、theconstructionofaprototypebydepositionlayersfromthebottomtothetop.Thusitenablestheconstmctionoftheprototypedirectlyfromitsdesignbecauseitrequiresbasicallythecross-sectionaldataoftheproduct・5.Onceproce