“planetary protection”的概念、定义、翻译、参考文献-科学参考

单词	planetary protection
释义	planetary protection Encyclopedia 工学行星探测释 planetary protection行星保护正向污染行星保护和逆向污染行星保护的统称。在深空探测活动中，确保地球上的生命和物质不污染地外天体，从而避免干扰或误导后续针对生命起源开展的科学探测；同时，还应避免外太空的生命及相关物质危及地球生物圈。
随便看	omission ratio omit omitted omitting type omitting types theorem Omiya Bonsai Art Museum ommatidium ommochrome omnibearing omnibus omnibus algorithm omnibus approach omnibus test Omnibus Trade and Competition Act of 1988 omnidirectional omnidirectional airspeed system omni-directional antenna omnidirectional antennas omni-directional effect omni-directional flux omni directional optical film omnidirectional radio beacon omnific integer OmniGuide fiber omni guide fiber

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