1)radio dispatch system,无线电调度系统2)train radio,列车无线调度系统3)Wireless Dispatcher's Communication System of train,列车无线调度通信系统4)line-of-sight radio system,视线无线电系统5)marshalling yard dispatcher production wireless transmission system,编组站调度生产无线传输系统6)train radio system,车地无线电系统
用法例句
4 GHz train radio system information,this paper analyzes its advantages and the limitation of functions.