OMG 统一建模语言(UML) V2.51 英文版

UnifiedModelingLanguage®(OMGUML®)V2.51.pdf ThisspecificationdefinestheUnifiedModelingLanguage(UML),revision2.TheobjectiveofUMListoprovide systemarchitects,softwareengineers,andsoftwaredeveloperswithtoolsforanalysis,design,andimplementationof software-basedsyste