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| солнечная система | |||
| планетная система | |||
| планетарная система | |||
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planetary system : 14 phrases in 5 subjects |
| Astronautics | 8 |
| Astrophysics | 1 |
| Makarov | 1 |
| Polygraphy | 1 |
| Technology | 3 |
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