您要查找的是不是：
- radio relay trunk service 无线电接力干线通信业务
- There has always been a problem in using radio relay in overseas communications. 在利用无线电转播进行海外通迅方面一直存在着一个问题。
- Telegraphic instrument that transmits and receives printed messages and data via telephone cables or radio relay systems. 通过无线电中断系统传送和接收列印资讯和资料的各种电报器械。
- It is very essential to make emphatically a study of chanel fading so as to design reasonably radio systems and develop high capacity digital radio relay systems. 指出加强对微波传输衰落的研究,对于经济合理地进行系统设计、发展我国高速率的数字通信是至关重要的。
- Provides trunk services in high demand corridors. May feed heavy rail or ferry. 在高需求的走廊提供主干服务;可接驳重型铁路或渡轮。
- Offers loyalty, encouragement and support to other amateurs, local clubs, and the American Radio Relay League, through which Amateur Radio in the United States is represennted nationally and internationally. 他对其他无线电爱好者、地方俱乐部和代表本国的国家协会表现忠诚、鼓励和支持。
- Provides trunk services in medium demand corridors. May feed heavy rail, light rail or ferry. 在中需求走廊提供主干服务;可接驳重型铁路、轻铁或渡轮。
- time division radio relay system 时间分割式无线电中继系统
- trunk service observation schedule 长途通信业务检查表
- millimeter-band radio relay system 毫米波带无线电中继系统
- microwave radio relay communication 微波中继通信
- High Altitude Radio Relay System 高空无线电中继系统
- Coming next are the buses and LRT as the other main providers of trunk services, with the rest of the other public transport modes largely supplementing them. 其次,专利巴士及轻便铁路亦是提供主要服务的模式,而其他公共交通工具则大致担当辅助角色。
- time-division radio relay system 时分制无线电中继系统
- millimeter wave band radio relay system 毫米波接力通信系统
- trans-horizon radio relay system 超视距无线电中继系统
- ultra-short wave radio relay equipment 超短波接收机
- angle-modulated radio relay system 调角无线电接力系统
- tropospheric scatter radio relay system 对流层散射无线中继系统
- He crammed all his clothes into the trunk. 他把他所有的衣服硬塞进皮箱。
