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| усилитель с обратной связью: 49 phrases in 13 subjects |
| Astronautics | 2 |
| Automated equipment | 3 |
| Electrical engineering | 2 |
| Electronics | 12 |
| Information technology | 2 |
| Makarov | 2 |
| Mass media | 1 |
| Metrology | 1 |
| Physics | 4 |
| Programming | 2 |
| Technology | 12 |
| Telecommunications | 4 |
| Радиоактивное излучение | 2 |