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| собственная частота | |||
| рабочая частота | |||
| нормальная частота | |||
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normal frequency : 19 phrases in 11 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Astronautics | 1 |
| Electronics | 1 |
| Geophysics | 1 |
| Makarov | 2 |
| Mathematics | 1 |
| Medical | 1 |
| Metallurgy | 1 |
| Seismology | 5 |
| Technology | 4 |