relay: n.1.接替的马;驿马;接替的狗;(备有接替马匹的)旅馆。2.接替;接替人员;补给供应。3.分程递送;传达;转运;【军事】递骑;【体育】接力赛跑。4.【电学】替续器;【机械工程】继动器;【无线电】转播的无线电节目。短语和例子work in [by] relays 轮班工作。 a fresh relay of workers 刚接班的一批工人。 a key relay 键控继
Methods of measurement for the digital microwave radio relay communication equipment 数字微波接力通信设备测量方法
3.
Radio relay communication 无线电接力通信
4.
Capacity series and radio - frequency channel arrangement and equipment main technical specifications for 100 1000mhz radio relay communication systems 100 1000mhz接力通信系统的容量系列波道配置及设备的主要技术要求
5.
Propagation characteristics in land mobile service and fixed service . part 3 : propagation characteristics ofline - of - sight radio relay communication systems 陆地移动业务和固定业务传播特性第三部分:视距微波接力通信系统传播特性