导频测量消息通过()信令发送。

题型:填空题

问题:

导频测量消息通过()信令发送。

考点:通信工程师CDMA1XEVDOCDMA1X
题型:填空题
下列词语中加粗的字,读音全部正确的一组是
[ ]
A.(zhé)耗(chuò)约(bèng)流水(cóng)淙
B.(mù)集(zhěn)密(jiè)风驰电(chè)
C.(lòu)面(xiān)细(xù)(xuān)外之音
D.(zhà)栏 (juǎn)缩(zhì)敷衍(sè)责
题型:填空题

气溶胶不包括( )。

A.粉尘

B.烟

C.蒸气

D.雾

题型:填空题

车辆翻越坡顶时,与对面驶来的车辆之间应保证必要的安全视距,通常用设置( )的方法来保证。

A.平曲线

B.竖曲线

C.标志

D.超高

题型:填空题

语法填空

阅读下面短文, 按照句子结构的语法性和上下文连贯的要求, 在空格处填入一个适当的词或使用括号中词语的正确形式填空.

     Charles Lindbergh is probably one of the bestknown people in the history of flight.He was __1__

hero of the world.Yet, years later, he __2__(accuse)as an enemy of his country.He had what is called

a "storybook" marriage and family life, __3__he suffered a terrible family tragedy.

     Charles Lindbergh, __4__(bear)in the city of Detroit, Michigan, or February 4th,1902, grew up on

a farm in Minnesota.__5__mother was a school teacher.His father was a lawyer __6__later became a

United States Congressman.The family spent ten years in Washington D. C, __7__Mister Lindbergh

served in the Congress.

     Young Charles studied mechanical engineering for __8__time at the University of Wisconsin.But he

did not like __9__(sit)in a classroom.So, after oneandonehalf years, he left the university.He traveled

around the country on a motorcycle.He settled in Lincoln, Nebraska.He took his first flying lessons there

and passed the test to become a __10__(fly). But he had to wait one year before he could fly alone.

题型:填空题

在微波通信的路由选取中,线路要尽量减少分支,当分支采用同频同极化设备时,分支角要大于().

A、75°

B、85°

C、65°

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