●A (68) is a feature of the system or adescription of something the system is ca
●A (68) is a feature of the system or adescription of something the system is capable of doing in order to fulfill the system's purpose.
(68) A．plan
B．requirement
C．document
D．Design
正确答案：B【解析】译文:需求反映了系统的特征或者是这样一种描述，它说明了系统为达到某种目标能够做的事情。
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