1.
light signal visibility test
灯光信号显示距离测试
2.
A scope(range indicator)
A型显示器(距离显示器)
3.
Poor visibility to satellites may cause the calculated position to wonder around, increasing the apparent traveled distance.
较差收星信号可能引起计算位置的游离，从而增加了显示的旅行距离。
4.
Demodulator: An electronic device which removes the carrier waves, added in modulation, which signals are needed for transmission to long distances ,and then fed into the receiving computer or terminal.
解调器:解除运送波，另上用作长距离传关的调制信号，然后输入接收电脑或显示器的电子装置。
5.
remote plane position indicator
远距离平面位置显示器
6.
RHI scope(range-elevation indicator)
RHI型显示器(距离-高度显示器)
7.
I scope(radial range-azimuth indicator)
I型显示器(径向距离-方位显示器)
8.
E scope(range-elevation indicator)
E型显示器(距离-仰角显示器)
9.
R scope(stretch range indicator)
R型显示器(展宽距离显示器)
10.
B scope(range-azimuth indicator)
B型显示器(距离-方位显示器)
11.
wording of signal indication
信号显示用语, 信号显示名称
12.
high-frequency remote signalling apparatus
高频远距离信号装置
13.
range-height marker A
型显示器, 距离-高度指示器
14.
An instrument that indicates distance traveled by a vehicle.
计程仪显示车辆行驶距离的仪器
15.
height azimuth-range position indicator
高度方位距离位置显示器
16.
Find the Time-point of Distance-signal in the DME System
精密测距系统中距离信号定时点选取方法研究
17.
For this reason television signals have a short range
因此，电视信号的传播距离很短。
18.
binary-coded range time signal
二进制编码的距离时间信号