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单项选择题
A.Portability
B.Reliability
C.Availability
D.Reusability
单项选择题
A.E-mail
B.E-commerce
C.E-Iearning
D.E-communication
单项选择题
A.management
B.storage
C.analysis
D.communication
单项选择题
A.protocols
B.agreements
C.conventions
D.coordination
单项选择题
A.computer-oriented
B.procedure-oriented
C.object-oriented
D.aspect-oriented
单项选择题
A.test
B.support
C.development
D.process