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人造地球卫星
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人造地球卫星
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人造地球卫星
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artificial earth satellite
人造地球卫星
以地球为引力中心运行至少一圈的无人航天器。简称人造卫星。
Physics
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man-made satellite
人造地球卫星
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更新时间:2026/7/31 18:39:21