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| astrogation; spationautics | |||
| cosmonautics (cosmonautica) | |||
| cosmonautics; astronautics | |||
| 宇宙 航 行学: 12 phrases in 5 subjects |
| Agriculture | 1 |
| Electronics | 1 |
| General | 4 |
| Oil / petroleum | 1 |
| Space | 5 |
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