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| шумовой фон | |||
| fond de bruit: 51 phrases in 13 subjects |
| Analytical chemistry | 1 |
| Astronautics | 1 |
| Environment | 1 |
| General | 2 |
| Geology | 1 |
| Information technology | 1 |
| Mathematics | 3 |
| Medical appliances | 4 |
| Nuclear physics | 4 |
| Physics | 2 |
| Radio | 5 |
| Technology | 6 |
| Радиоактивное излучение | 20 |