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селективный усилитель
| звуковой частоты
| селективный усилитель | |
| tech. | selective amplifier |
| звуковая частота | |
| astronaut. | audiofrequency |
| biol. | acoustical frequency |
| house. | voice frequency |
| radio | audio frequency |
| tech. | sonic frequency; sound frequency |
| |||
| selective amplifier | |||
| селективный усилитель: 6 phrases in 5 subjects |
| Electronics | 1 |
| Makarov | 1 |
| Medical | 1 |
| Metrology | 1 |
| Technology | 2 |