1.
hear and understand(sb speaking on a two-way radio)
听明白（某人在双向无线电通讯中说的话）
2.
a two-way radio communication system (usually microwave); part of a more extensive telecommunication network.
一种双向的无线电通讯系统（通常是微波）；较广阔的长途通讯的一部分。
3.
two-way radio link
双向无线电通信联系
4.
two-way radio system
双向无线电通信系统
5.
Personal Communications Services (PCS) - Two-way, voice and digital, wireless telecommunications system.
个人通讯服务-是一种双向、音频和数字无线通讯系统。
6.
long-range telephone and telegraph radio communications
远程无线电话电报通讯
7.
United Nations radio communication system
联合国无线电通讯系统
8.
fire services radio communication system
消防无线电通讯系统
9.
portable radio communication device
手提无线电通讯设备
10.
establish (=form, open up) wireless communication
设立无线电通讯联系
11.
intercept insurgent radio communications
侦听叛方的无线电通讯
12.
Radio traffic has stepped up enormously.
无线电通讯已大大增加。
13.
transmitting and receiving service
双向无线电通信，收发业务
14.
A response to a transmission made over a two-way radio.
回应对双向无线电通信信号的反应
15.
A communications network, eg for radio and TV, using satellites
通讯网（如利用人造卫星的无线电及电视通讯网）
16.
RADIOS work by using the electromagnetic spectrum to send information.
无线电通讯通过电磁频谱递信息。
17.
a communication system based on broadcasting electromagnetic waves.
基于无线电电磁波的一种通讯方式。
18.
GPRS (general packet radio service)
通用分组无线业务,[港]通用分组无线电讯服务