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geodetic satellite
earth.sc. 测地卫星; 大地测量卫星 (US)
space 测地卫星; 大地测量卫星
geodetic satellites
space 测地卫星; 大地测量卫星 (美国,又名 geodetic explorers)
geodetic satellite US
earth.sc. 测地卫星
geodetic satellite: 51 phrases in 12 subjects
Air defense1
Aviation3
Cartography2
Earth sciences14
Electronics7
Geology1
Geophysics3
Oil / petroleum1
Remote sensing1
Space13
Technology4
United States1