An attenuator is very important in radio communication.

衰减器在无线电通信中非常重要。

In radio communication, frequency deviation can affect the quality of the signal.

在无线电通信中，频偏会影响信号的质量。

Radio communication for track walker

巡道工无线电通信

Radio communication for number taker

车号员无线电通信

Relay radio communication for railway

铁路无线电中继通信

Radio communication for special train

专运列车无线电通信

Radio communication for train service

列车业务无线电通信

Radio communication has annihilated space.

无线电通讯已消除了空间的阻隔.

Radio communication for train inspection

列检无线电通信

Radio communication for track maintenance

工务维修无线电通信