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宇宙学 | |||
航天科学 | |||
太空科学; 空间科学; 宇宙科学 | |||
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航天科学; 空间科学 |
space science : 109 phrases in 10 subjects |
Aviation | 13 |
Earth sciences | 17 |
Electronics | 14 |
General | 8 |
Oil / petroleum | 2 |
Space | 44 |
Telecommunications | 1 |
United Kingdom | 1 |
United Nations | 1 |
United States | 8 |