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| рождение электронно-позитронных пар; образование электронно-позитронных пар | |||
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| возникновение пар (в ядерных процессах) | |||
| création des paires: 7 phrases in 4 subjects |
| High energy physics | 1 |
| Physics | 1 |
| Radio | 2 |
| Радиоактивное излучение | 3 |
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