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средняя частота / высокая частота |
medium frequency / high frequency : 37 phrases in 11 subjects |
Aviation | 6 |
Electronics | 1 |
General | 2 |
Makarov | 2 |
Meteorology | 1 |
Military | 14 |
Oil / petroleum | 2 |
Polymers | 1 |
Sakhalin | 1 |
Sakhalin R | 1 |
Technology | 6 |