To reduce the LEO satellite mobile communication systems rely on ground mobile communication system, LEO satellite mobile communication systems must be introduced ISLs.
为了降低卫星移动通信系统对地面移动通信系统的依赖，系统必须引入星际链路。
To reduce the LEO satellite mobile communication systems rely on ground mobile communication system, LEO satellite mobile communication systems must be introduced ISLs.
为了降低卫星移动通信系统对地面移动通信系统的依赖，系统必须引入星际链路。
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