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| входной усилитель | |||
| предусилитель | |||
| амплитуда входного сигнала | |||
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input amplifier : 23 phrases in 11 subjects |
| Computers | 1 |
| Electronics | 5 |
| Information technology | 1 |
| Makarov | 5 |
| Mass media | 3 |
| Military | 1 |
| Oil / petroleum | 1 |
| Physics | 1 |
| Radioengineering | 1 |
| Technology | 3 |
| Telecommunications | 1 |