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| distribution des fréquences | |||
| частота распределения: 27 phrases in 11 subjects |
| Astronautics | 4 |
| Automated equipment | 3 |
| Aviation | 2 |
| Electronics | 1 |
| General | 1 |
| Information technology | 1 |
| Mathematics | 1 |
| Meteorology | 1 |
| Radio | 10 |
| Technology | 2 |
| Telecommunications | 1 |
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