In software engineering and systems engineering,( )is a description of a system’Sbehavior as it responds to a request tha

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问题 In software engineering and systems engineering,(        )is a description of a system’Sbehavior as it responds to a request that originates from outside of that system.

选项 A、black box
B、business rule
C、traceability matrix
D、use case

答案D

解析 本题的含义是,在软件工程中,“用例(use case)”用来描述系统的行为……,只要能够翻译到这点,这个题目就可以做出来了,后面的定语从句已经不重要了,本题选择答案D正确。
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