“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	catfish seed culture cathamplifier Catharism catharometer catharometry catharsis hypothesis catharsis literary of literature cathautograph cathay hickory Cathay Media Group cathay poplar Cathaysia continent cathaysia flora cathedral Cathedral of Monreale Cathedral of Notre Dame de Paris Cathedral of Our Lady of Peace Cathedral of Our Savior Cathedral of Saint Demetrius Cathedral of Saint Maria in Leon Cathedral of Saint Mary of the Flower, Florence Cathedral of Santiago de Compostela Cathedral of St. Sophia, Novgorod Cathedral of the Nativity of the Theotokos of Suzdal Cathedral of Vasiliy the Blessed

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