云老师你好,今天(10/17)参加您的模考串讲,有一道题百思不得其解,请帮忙解惑。 108. Activity J has a FS relationship iwth a 1 day lag with succeeding activity K. activity J also has a SS relationship with a 5 day lag with succeeding activity L. assume that activity J has no other immediate succeeding relationships. Given the following: Activity K: LS is Day 11; LF is Day 15 Activity L: LS is Day 11; LF is Day 15 Activity J: duration is 5 days Calculate activity J's LS and LF.
答案是A LS :5; LF :9. 我用的是逆推法 设定J的ES为0.怎么也得不出这个答案 问题如下 1.一个活动的持续时间是不是 LF-EF or EF-ES (假设活动的ES从0开始),如果按照这个说法答案不就错了吗 2..能不能提供一个为本题具体的图解?
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