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cratering flux
space 凹坑通量 (在给定时间空间碎片在航天器表面单位面积上撞击所形成大于一定直径的凹坑数目)
cratering
: 25 phrases in 7 subjects
Aviation6
Construction1
Drilling2
Electronics2
Explosives and Explosive Ordnance Disposal8
Space3
Technology3