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| двойной | |||
| двойной модуль | |||
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| двойственный тип колебаний | |||
| 双模: 55 phrases in 12 subjects |
| Antennas and waveguides | 2 |
| Electronics | 5 |
| General | 22 |
| Geology | 1 |
| Mathematics | 1 |
| Medical | 1 |
| Oil and gas | 1 |
| Oil processing plants | 1 |
| Shipbuilding | 2 |
| Technology | 17 |
| Telecommunications | 1 |
| Wood processing | 1 |