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地球空间 dìqiú kōngjiān
space geospace; terrestrial space
地球-空间
earth.sc. Earth-Space
地球空间轨道 dìqiú kōngjiān
gen. geospace
地球-空间
: 56 phrases in 9 subjects
Air defense1
Aviation7
Earth sciences16
Electronics2
Forestry1
General3
Geophysics4
Space20
United States2