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攀枝花学院本科毕业设计（论文）外语文翻译攀枝花学院本科毕业设计（论文）外语文翻译1外语文献翻译原文341CADHARDWARECOMPUTERSTHEREARETWOMAJORTYPESOFHARDWAREUSEDINACADSYSTEMCOMPUTERANDINPUT/OUTPUTI/ODEVICESINTHEEARLYDAYSOFCADSOMECOMMERCIALCADSYSTEMSUSEDPROPRIETARYCOMPUTERSTODAY,NEARLYALLCADSOFTWARERUNSONAGENERALPURPOSECOMPUTERDEPENDINGONTHECOMPLEXITYOFTHECADPACKAGE,ITMAYREQUIREAMAINFRAMECOMPUTER,AMINICOMPUTER,ORSIMPLYAMICROCOMPUTERINGENERAL,THEMOREFUNCTIONALITIESACADSYSTEMPROVIDES,THEMOREPOWERFULTHECOMPUTERNEEDEDTHREEDIMENSIONALSOLIDMODELERSREQUIREMUCHMORECOMPUTINGTHANDOTWODIMENSIONALDRAFTINGSYSTEMS；THUS,THEYNEEDMOREPOWERFULCOMPUTERSSYSTEMSTHATINTEGRATEENGINEERINGANALYSISORSIMULATIONPACKAGESGENERALLYAREMORECOMPUTATIONINTENSIVEAPOWERFULCOMPUTERNOTONLYSPEEDSUPTHERESPONSEOFACADSYSTEM,BUTALSOCANSUPPORTMULTIPLEUSERSWITHOUTSIGNIFICANTPERFORMANCEDEGRADATIONSEVERALOTHERPARAMETERSANDCOMPONENTSCONCERNINGTHECOMPUTERALSOHAVETOBECONSIDEREDCADHARDWARERANDOMACCESSMEMORYRAMCAPACITYPERMANENTDISKSTORAGECAPACITYSPECIALGRAPHICSACCELERATORTAPEBACKUPSRAMISTHEA
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