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若按计划工期计算网络参数，则有（）。

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若按计划工期计算网络参数，则有（）。

A.当计划工期等于计算工期，关键工作的总时差为0

B.当计划工期等于计算工期，关键工作的总时差不为0

C.当计划工期大于计算工期，关键工作总时差小于0

D.当计划工期小于计算工期，关键工作总时差大于0

参考答案:

答案：当计划工期等于计算工期，关键工作的总时差为0

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