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DVOR是 Doppler()omnidirectional radio rang的缩写。A、VHFB、VFNC、VCDD、Very

题目

DVOR是 Doppler()omnidirectional radio rang的缩写。

  • A、VHF
  • B、VFN
  • C、VCD
  • D、Very
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相似问题和答案

第1题:

B

Radio and television are very popular in the world today. Millions of people watch TV.Perhaps more people listen to the radio.The TV is,of course,more useful than the radio. On TV you can see and hear what is hap-pening in the world.Now radio is still with us. And the number of listeners is becoming larger. One reason for this is the invention of the transistor(半导体) radio. A transistor radio is sometimes very small. It is very easy to carry. You can put one in your pocket and listen to it on the bus or on your bike when you go to work. It is better.for blind people. The sight(视力J) of many old peo-ple is not good enough to watch TV. Then,when people are working,they can't watch TV, but they can listen to music or news over the radio. What-s more,radio is much cheaper than TV.

( )26. Radio and television__________ in the modern world today

A. are both widely used

B. are both expensive

C. have been changed a lot

D. are used for learning things


正确答案:A
26.A【解析】由第一段可知。

第2题:

This radio is___ than that one.

A. more expensive

B. very expensive

C. as expensive


参考答案A

第3题:

NR是“New Radio”的缩写代称,在5G网络中一般表示5G接入层网元,即gNodeB设备。( )

此题为判断题(对,错)。


答案:对

第4题:

VOR机载接收机对CVOR信标与DVOR信标兼容是指()?

  • A、CVOR信标与DVOR信标工作原理一致
  • B、CVOR信标与DVOR信标均为民用的
  • C、VOR机载接收机接收CVOR与DVOR的辐射场可获得相同的指示
  • D、VOR机载接收机接收CVOR与DVOR辐射场可获得不同的指示,但不影响导航功能

正确答案:C

第5题:

I would be very much ______ if you could arrange for a radio technician to come on board as soon as possible for my radar repair.

A.obliged

B.obliging

C.oblige

D.being obliged


正确答案:A
我将非常感谢假如你能够尽可能快地安排无线电技师上船修理雷达

第6题:

Just then, the telephone rang.It rang____.

A.at once

B.immediately

C.again

D.at that moment


答案:D

解析:本句意思:方才,电话响了,就在那时响了;选项 A B 表示“立刻,马上”常指一个事情紧接着另一件事情发生,不适合本句,因为本句表述的是同一件事情。本句并没表示电话先响过一次,所以也不选C。

第7题:

I would be very much________if you could arrange for a radio technician to come on board for my radar repair.

A.obliged

B.obliging

C.oblige

D.being obliged


正确答案:A

第8题:

– Can you tell me how much a radio like this costs? – ( ).

A、I'd like to buy it

B、It's of very good quality

C、About eighty-five dollars

D、It depends on how you like it


正确答案:C

第9题:

()组英文缩写是属于导航设备。

  • A、NDB、PSR、MSSR
  • B、DVOR、NDB、VHF
  • C、ILS、DVOR、NDB
  • D、DVOR、MSSR、NDB

正确答案:C

第10题:

下面有关DVOR的论述正确的是()

  • A、DVOR是自主式、近程、相位测角导航系统,有200个频道,采用直达波传播
  • B、DVOR是非自主式、近程、相位测角导航系统,有200个频道,采用地波传播
  • C、DVOR是自主式、远程、振幅测角导航系统,有160个频道,采用直达波传播
  • D、DVOR是非自主式、近程、相位测角导航系统,有160个频道,采用直达波传播

正确答案:D

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