Multi-beam antenna is a key technology in the satellite mobile communication system.
多波束天线技术是卫星移动通信系统中的关键技术之一。
Satellite orbital prediction technology is a key technology for satellite communication and satellite recovery.
卫星轨道预报技术是与卫星通信及卫星回收的关键技术。
Satellite orbital prediction technology is a key technology for satellite communication and satellite recovery.
卫星轨道预报技术是与卫星通信及卫星回收的关键技术。
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