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planetary protection
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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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stagnated gallbladder qi with disturbing phlegm
stagnation
stagnation band
stagnation enthalpy
stagnation flame
stagnation in Latin America
stagnation of liver qi
stagnation of liver qi and spleen deficiency
stagnation of qi and blood stasis
stagnation parameters
stagnation point
stagnation pressure
stagnation state
stagnation temperature
stagnic moisture regime
stagnophile
stagnopseudogley
stagoscopy
stain
stained
stained filament
stained glass
Stained glass window
stain forces
staining
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