多选题:在工程网络计划中,判断其关键工作与关键线路的方法有( )。

题目内容:
在工程网络计划中,判断其关键工作与关键线路的方法有( )。 A.自由时差为零的工作是关键工作
B.总时差最小的工作是关键工作
C.双代号网络计划中无虚箭线的线路是关键线路
D.双代号网络计划中由关键节点连成的线路是关键线路
E.单代号网络计划中由关键节点连成,且其时间间隔均为零的线路是关键线路

参考答案:
答案解析:

Some members of the British government criticized Diana beca

Some members of the British government criticized Diana because ________.A.she w

查看答案

Global residential power consumption can be cut by 43 percen

Global residential power consumption can be cut by 43 percent if________.A.we in

查看答案

There are 20 blanks() in the following passage. For each bla

There are 20 blanks() in the following passage. For each blank there are four ch

查看答案

Every culture has developed ________ for certain kinds of fo

Every culture has developed ________ for certain kinds of food and drink, and eq

查看答案

女性,20岁,贫血2年,平时月经量较多,自感乏力,活动后心慌气短,血常规:血红蛋白75g/L,红细胞3×1012/L,网

女性,20岁,贫血2年,平时月经量较多,自感乏力,活动后心慌气短,血常规:血红蛋白75g/L,红细胞3×1012/L,网织红细胞0.008,用硫酸亚铁治疗1周后

查看答案