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| характеристики сигнала | |||
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| характеристика сигнала | |||
| динамические особенности сигнала | |||
| signal characteristics: 20 phrases in 9 subjects |
| Astronautics | 1 |
| Aviation medicine | 1 |
| Electronics | 4 |
| Geology | 1 |
| Mass media | 4 |
| Nanotechnology | 1 |
| Radio | 5 |
| Technology | 2 |
| Telecommunications | 1 |