近些年来，很多通讯卫星被送上轨道。
In recent years a number of communications satellites have been put into orbit.
通讯卫星在很多方面对人类有很大的帮助。
Communications satellite helps the human a lot in many ways.
通讯卫星在很多方面对人类有很大的帮助。
通讯卫星使国际间实况转播重要事件成为可能。
Communications satellites have made possible international live transmission of important events.
DTH系统中采用大功率的直播卫星或通讯卫星。
DTH systems with high power of live satellite or communications satellite.
中国近年来一直在建造的通讯卫星所基于的平台(才是)。
The platform is based on a communications satellite that China has been building for years.
中国近年来一直在建造的通讯卫星所基于的平台(才是)。
The platform is based on a communications satellite that China has been building for years.
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