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в волнах : 77 phrases in 12 subjects |
| Antennas and waveguides | 2 |
| Astronautics | 1 |
| Aviation | 1 |
| Electronics | 2 |
| General | 49 |
| Medical | 1 |
| Nanotechnology | 1 |
| Nautical | 1 |
| Oil and gas | 1 |
| Seismology | 2 |
| Technology | 15 |
| United Nations | 1 |
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