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| разброс по длинам волн | |||
| 展波: 34 phrases in 8 subjects |
| General | 12 |
| Hydrology | 1 |
| Metrology | 1 |
| Military | 3 |
| Nautical | 1 |
| Radio | 3 |
| Technology | 12 |
| Telecommunications | 1 |
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