人造地球卫星,人造地球卫星,renzao diqiu weixing,人造地球卫星,renzao,weixing,diqiu,[拼音]:renzao diqiu weixing[外文]:artificial earth satellite环绕地球在空间轨道上运行(至少一圈)的无人航天器,简称人造卫星。人造卫星是发射数量最多、用途最广、发展...
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