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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。
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facility aquatic building structure
facility aquatic precision management
facility capacity
facility clustering
facility cultivation
Facility Design
facility for high energy particle experiment
facility gauge
facility husbandry building structure
facility location
facility location and its problem type
facility location problem
Facility location scoring method
facility planning
facility seedling raising
facility seeing
facing
Facing Mount Kenya
facing-up
FACS
facs
facsimile
facsimile communication
fact and value
fact checking
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