外文翻译--机械设计与制造业.doc

MACHINEDESIGNANDMANUFACTURINGMACHINEDESIGNISTHEAPPLICATIONOFSCIENCEANDTECHNOLOGYTODEVISENEWORIMPROVEDPRODUCTSFORTHEPURPOSEOFSATISFYINGHUMANNEEDS．ITISAVASTFIELDOFENGINEERINGTECHNOLOGYWHICHNOTONLYCONCERNSITSELFWITHTHEORIGINALCONCEPTIONOFTHEPRODUCTINTERMOFITSSIZE,SHAPEANDCONSTRICTIONDETAILS，BUTALSOCONSIDERSTHEVARIOUSFACTORSINVOLVEDINTHEMANUFACTURE，MARKETINGANDUSEOFTHEPRODUCTPEOPLEWHOPERFORMTHEVARIOUSFUNCTIONSOFMACHINEDESIGNARETYPICALLYCALLEDDESIGNERS，ORDESIGNENGINEERSMACHINEDESIGNISBASICALLYACREATIVEACTIVITY．HOWEVER，INADDITIONTOBEINGINNOVATIVE，ADESIGNENGINEERMUSTALSOHAVEASOLIDBACKGROUNDINTHEAREASOFMECHANICALDRAWING，KINEMATICS,DYNAMICS，MATERIALSENGINEERING，STRENGTHOFMATERIALSANDMANUFACTURINGPROCESSESASSTATEDPREVIOUSLY，THEPURPOSEOFMACHINEDESIGNISTOPRODUCEAPRODUCTWHICHWILLSERVEANEEDFORMAN．INVENTIONS，DISCOVERIESANDSCIENTIFICKNOWLEDGEBYTHEMSELVESDONOTNECESSARILYBENEFITPEOPLE；ONLYIFTHEYAREINCORPORATEDINTOADESIGNEDPRODUCTWILLABENEFITBEDERIVED．ITSHOULDBERECOGNIZED，THEREFORE，THATAHUMANNEEDMUSTBEID