在数据通信中使用曼彻斯特编码的主要原因是 ______。A.实现对通信过程中传输错误的恢复B.实现对通
在数据通信中使用曼彻斯特编码的主要原因是 ______。
A.实现对通信过程中传输错误的恢复
B.实现对通信过程中收发双方的数据同步
C.提高对数据的有效传输速率
D.提高传输信号的抗干扰能力
在数据通信中使用曼彻斯特编码的主要原因是 ______。
A.实现对通信过程中传输错误的恢复
B.实现对通信过程中收发双方的数据同步
C.提高对数据的有效传输速率
D.提高传输信号的抗干扰能力
第1题
A、This displacement formula still work.
B、The primary structure set up for the calculation of desired displacement should be the same one that has been used to determine internal forces in the original structure.
C、The primary structure set up for the calculation of desired displacement don't need to be the same one that has been used to determine internal forces in the original structure.
D、We can choose any primary structure for the original structure to calculate the desired displacement because all primary structures have the same internal forces and displacement with the original structure's.
第2题
When you return next year, the school ______.
A) will be set up B) will set up
C) will have been set up D) will have set up
第3题
A) were set up B) was set up C) be set up D) set up
第4题
A.was setting
B.has been set up
C.was set up
D.had been set up
第5题
More colleges next yer for more students to get good eduction.will be set upB.will set upCMore colleges ____ next yer for more students to get good eduction.will be set up B.will set up C.re setting up D.were set up
A.will be set up
B.will set up
C.are setting up
D.were set up
第6题
A、and were set up
B、set up with
C、that were set up
D、were set up
第7题
[A] set on
[B] set up
[C] set out to
[D] set forth
第8题
A.will be set up
B.will set up
C.are setting up
D.were set up
第9题
A) were set up
B) was set up
C) be set up
D) set up
第10题
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