科技英语阅读答案unit 6, 10

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1、Unit6MechanicsandAutomotivesPartIESTReadingReading1SectionAPre-readingTaskWarm-upQuestions:Workinpairsanddiscussthefollowingquestions.1.Whatdoyouthinkwillbethemostpopularmechanicfieldinthefuture?Andwhy?(Open)2.DoyouknowanythingaboutNANO-BIOtechnology?Nanobiotechnologyisthebranchofnanotechnolog

2、ywithbiologicalandbiochemicalapplicationsoruses.Nanobiotechnologyoftenstudiesexistingelementsofnatureinordertofabricatenewdevices.Thetermbionanotechnologyisoftenusedinterchangeablywithnanobiotechnology,thoughadistinctionissometimesdrawnbetweenthetwo.Ifthetwoaredistinguished,nanobiotechnologyus

3、uallyreferstotheuseofnanotechnologytofurtherthegoalsofbiotechnology,whilebionanotechnologymightrefertoanyoverlapbetweenbiologyandnanotechnology,includingtheuseofbiomoleculesaspartoforasaninspirationfornanotechnologicaldevices.3.HaveyoueverheardofCADinengineeringdesign?CAD:Computer-aideddesign(

4、CAD),alsoknownascomputer-aideddraftinganddesign(CADD),istheuseofcomputertechnologyfortheprocessofdesignanddesign-documentation.ComputerAidedDraftingdescribestheprocessofdraftingwithacomputer.CADDsoftware,orenvironments,providetheuserwithinput-toolsforthepurposeofstreamliningdesignprocesses;dra

5、fting,documentation,andmanufacturingprocesses.CADDoutputisoftenintheformofelectronicfilesforprintormachiningoperations.ThedevelopmentofCADD-basedsoftwareisindirectcorrelationwiththeprocessesitseekstoeconomize;industry-basedsoftware(construction,manufacturing,etc.)typicallyusesvector-based(line

6、ar)environmentswhereasgraphic-basedsoftwareutilizesraster-based(pixelated)environments.4.Whatiscomputationalsimulationandcanyougiveanexample?Simulationistheimitationofsomerealthing,stateofaffairs,orprocess.Theactofsimulatingsomethinggenerallyentailsrepresentingcertainkeycharacteristicsorbehavi

7、oursofaselectedphysicalorabstractsystem.Thenetworkcomputergamesaretypicalexampleofcomputationalsimulation.5.Howdoescomputationalsimulationhelpengineeringdesign?CombinedwithadvancesinCADsystems,itwillbepossibleformechanicalengineerstocol