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| канал радиорелейной линии (retsenshtein) | |||
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relay communication : 75 phrases in 14 subjects |
| Air defense | 1 |
| Astronautics | 4 |
| Communications | 2 |
| Electrical engineering | 1 |
| Electronics | 3 |
| General | 2 |
| Military | 35 |
| Nanotechnology | 1 |
| Nautical | 2 |
| Radio | 1 |
| Space | 3 |
| Technology | 16 |
| Telecommunications | 3 |
| United States | 1 |