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星际〔宇宙〕飞行 | |||
星际飞行 | |||
航天飞行 | |||
航天; 空间[太空]飞行; 宇宙飞行 | |||
空间飞行 |
space flight : 125 phrases in 10 subjects |
Air defense | 1 |
Aviation | 5 |
Earth sciences | 3 |
Electronics | 11 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 8 |
Mathematics | 1 |
Space | 83 |
Technology | 3 |
United States | 9 |