什么是环形系统结构?其有什么特点?

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问题:

什么是环形系统结构?其有什么特点?

考点:热工应知应会集中式、分布式计算机控制系统集中式、分布式计算机控制系统题库
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补全对话。
A: __1__
B: He is a reporter.
A: __2__
B: Yes, but he thinks it is very interesting. __3__
A: He is a math teacher.
B: __4__
A: He works in No. 1 Middle School.            
B: __5__                      
A: No. I think teaching is too boring.
A. Does he like writing stories?
B. Where does he work?
C. What does your father do?
D. To be a reporter can be very busy.
E. Do you want to be a teacher, too?
F. What about your father?
G. Where is your father now?  
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长度测量的基本工具是__________,长度的主单位是__________。

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摩托车用滚子链

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异步传输模式(ATM)实际上是两种交换技术的结合,这两种交换技术是()

A.电路交换与分组交换

B.分组交换与帧交换

C.分组交换与报文交换

D.电路交换与报文交换

题型:问答题 简答题

埋式光缆与35千伏以上电力缆线最 * * 行净距为()米

A.0.5

B.1

C.1.5

D.2

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