Mail:MSN:CSAIAB•“”“”•“”“”•“”“”•“”“”UnderstandabilityExtensibilityReusabilityTestabilityMaintainabilityPortabilityPerformanceSecurityUsabilityAvailabilityScalabilityInteroperabilityReliabilityRobustness——PhilippeKruchtenRationalRUP4+1••••4+1••«»«»«»«»CCrom-module.hexpc-module.exeVC++projectC51projectcppRS232SDKcasmCactiveactiveRS232activeRS232activeRS232PCRS232•9111970“”……Mail::