题目内容

FTP服务的作用，它基于哪种传输层协议实现？

查看答案

搜索结果不匹配？点我反馈

更多问题

(1) is a method of constructing a project schedule network diagram that uses boxes or rectangles, referred to as nodes, to represent activities and connects them with arrows that show the dependencies.This method includes following types of dependencies or precedence relationships: (2) the initiation of the successor activity, depends upon the completion ofthe predecessor activity.(3) the initiation ofthe successor activity, depends upon the initiation ofthe predecessor activity.空白（1）处填（）

A. PDM
B. CPM
C. PERT
D. AOA

(1) is a method of constructing a project schedule network diagram that uses boxes or rectangles, referred to as nodes, to represent activities and connects them with arrows that show the dependencies.This method includes following types of dependencies or precedence relationships: (2) the initiation of the successor activity, depends upon the completion ofthe predecessor activity.(3) the initiation ofthe successor activity, depends upon the initiation ofthe predecessor activity.空白（2）处填（）

A. F-S
B. F-F
C. S-F
D. S-S

乳化剂

不适合运用观察法进行分析的工作是()。

A. 工作循环周期很长的工作
B. 简单体力工作
C. 脑力工作
D. 紧急而偶然的工作