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| пространственная группа (симметрии) | |||
| пространственная группа | |||
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groupe spatial : 9 phrases in 6 subjects |
| Astronautics | 2 |
| Aviation | 1 |
| Mathematics | 1 |
| Metallurgy | 1 |
| Technology | 2 |
| United Nations | 2 |
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