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уровень звука |
声位 : 132 phrases in 14 subjects |
Aviation | 4 |
Electronics | 8 |
General | 33 |
Geophysics | 2 |
Linguistics | 1 |
Medical | 1 |
Military | 11 |
Nautical | 10 |
Oceanography & oceanology | 1 |
Oil / petroleum | 1 |
Oil and gas | 2 |
Oil processing plants | 6 |
Oilfields | 2 |
Technology | 50 |