用DAB终端能收看CMMB吗?
参考答案:
暂时不能。因为是两种不同的传输广播电视信号的标准,目前还不能兼容。今后可能会出现把两种技术放在一个终端里的多制式终端。
System analysis is traditionally done top-down using structured analysis based on (). Object-oriented analysis focuses on creation of models. The three types of the analysis model are (). There are two substages of object-oriented analysis.()focuses on real-world things whose semantics the application captures. The object constructed in the requirement analysis shows the () of the real-world system and organizes it into workable pieces.() addresses the computer aspects of the application that are visible to users. The objects are those which can be expected to vary from time to time quite rapidly.
()focuses on real-world things whose semantics the application captures.
A. Static analysis
B. Semantic analysis
C. Scope analysis
D. Domain analysis
最低费用选择法起源于( )。
A.美国
B.中国
C.日本
D.英国