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| lunar probe | |||
| moon reconnaissance | |||
| lunar exploration | |||
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| lunar researchs | |||
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| lunar reconnaissance | |||
| исследование Луны: 50 phrases in 13 subjects |
| Astronautics | 26 |
| Astronomy | 1 |
| Aviation medicine | 2 |
| Ecology | 1 |
| Electronics | 1 |
| General | 2 |
| Geophysics | 1 |
| Makarov | 2 |
| Military | 10 |
| Physics | 1 |
| Space | 1 |
| Stratigraphy | 1 |
| Technology | 1 |