网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
DVOR是 Doppler（）omnidirectional radio rang的缩写。
- A、VHF
- B、VFN
- C、VCD
- D、Very
参考答案
更多 “DVOR是 Doppler（）omnidirectional radio rang的缩写。A、VHFB、VFNC、VCDD、Very” 相关考题
考题
– Can you tell me how much a radio like this costs? – ( ).
A、I'd like to buy itB、It's of very good qualityC、About eighty-five dollarsD、It depends on how you like it
考题
BRadio 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 usedB． are both expensiveC． have been changed a lotD． are used for learning things
考题
I would be very much________if you could arrange for a radio technician to come on board for my radar repair.A.obligedB.obligingC.obligeD.being obliged
考题
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.obligedB.obligingC.obligeD.being obliged
考题
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
考题
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
考题
MRC是什么的缩写？（）A、Modular Radio ConnectB、Modular Resistance CabinetC、Modular Radio CabinetD、Modular Resistance Connect
考题
GPRS是下列哪个术语的缩写？（）A、General Standard Radio SystemB、Global Packet Radio ServicesC、General Packet Radio ServicesD、Global Protocol Radio System
考题
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
考题
下列关于DVOR哪种说法是正确的（）。A、DVOR的载波和上、下边带信号在空间合成从而形成30HzAM信号B、DVOR的载波和上、下边带信号在空间合成后就可以形成30HzFM信号C、DVOR通过边带天线的模拟旋转从而形成30HzFM信号D、DVOR在机柜中用30Hz信号对9960副载波调频从而形成30HzFM信号
考题
DVOR与CVOR相比具有以下优点：（）A、DVOR具有大大削弱场地误差的能力，因而测角精度优于CVORB、DVOR更不容易受天波的干扰，因而测角精度优于CVORC、DVOR的作用距离比CVOR的远，测角精度优于CVORD、DVOR更不容易受地波的干扰，因而测角精度优于CVOR
考题
若DVOR信标与DME信标布置在同一台站，DVOR的莫尔斯识别码产生器每30S产生4次完整的识别码，且它们的识别码工作在“独立”方式，则：（）A、DVOR每30S辐射5次识别码B、DVOR每30S辐射3次识别码C、DVOR每30S辐射4次识别码D、DVOR每30S辐射1次识别码
考题
在DVOR和DME联机状态下，同时加电：（）A、DME要在DVOR自检完成开机后，才开始本设备的自检B、DVOR要在DME自检完成开机后，才开始本设备的自检C、DME和DVOR同时进行自检开机D、DME不能与DVOR同时加电
考题
单选题She always does very well in the English exams. But she can ______ understand English radio programs.A
alwaysB
hardlyC
alreadyD
easily
热门标签
最新试卷
