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| разделение изотопов; расстояние между линиями в спектре масс | |||
| mass separation: 12 phrases in 7 subjects |
| Astronautics | 2 |
| Energy industry | 1 |
| Makarov | 4 |
| Mathematics | 1 |
| Metallurgy | 1 |
| Physics | 2 |
| Technology | 1 |
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