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| электромагнитная частота (buraks) | |||
| electromagnetic frequency: 30 phrases in 8 subjects |
| Aerohydrodynamics | 1 |
| Construction | 1 |
| Electronics | 1 |
| Geophysics | 17 |
| Medical | 3 |
| Metallurgy | 3 |
| Military | 1 |
| Technology | 3 |
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