• 空间碎片人类发射空间实体在外空留下太空垃圾,其造成空间环境污染特殊种类环境污染问题。

    Space debris are space rubbishes which were abandoned by human satellite in outer space. Environmental pollution by space debris is a special kind of environmental pollution.

    youdao

  • 空间碎片人类发射空间实体在外空留下太空垃圾,其造成空间环境污染特殊种类环境污染问题。

    Space debris are space rubbishes which were abandoned by human satellite in outer space. Environmental pollution by space debris is a special kind of environmental pollution.

    youdao

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