“行星保护”的概念、定义、翻译、参考文献-科学参考

单词	行星保护
释义	行星保护 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	fruits and nuts pickup machine fruits and vegetables production structure fruit set fruit setting percentage fruit shape index fruits hardness tester fruit soften fruit storage fruit tea fruit tree fruit tree asexual hybridization breeding fruit tree clonal rootstock fruit tree container seedling fruit tree cross breeding fruit tree cultivation system fruit tree culture fruit tree intermediate stock fruit tree introduction fruit tree planting density fruit tree planting technique fruit tree ploidy breeding fruit tree propagation fruit tree propagation by seeds fruit tree removing rootstock buds fruit tree rootstock

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。