某工程双代号网络计划如图6—1所示,其中关键线路有(  )条。 A.1 B.2 C.3 D.4

作者: rantiku 人气: - 评论: 0
问题 某工程双代号网络计划如图6—1所示,其中关键线路有(  )条。
选项 A.1 B.2 C.3 D.4
答案 C
解析 参考第三章第四节内容,应选C项。该题目运用标号法,如图6—7所示,所以关键线路为3条。

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