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orbit | |||
orbital motion |
轨道运行 : 44 phrases in 12 subjects |
Agriculture | 1 |
Air defense | 2 |
Automobiles | 2 |
Aviation | 2 |
Earth sciences | 2 |
Economy | 1 |
Electronics | 2 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 9 |
Metallurgy | 1 |
Space | 7 |
Technology | 14 |