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| узкополосный диапазон частот; узкая полоса | |||
| узкая полоса частот; узкий диапазон | |||
| 窄频带: 27 phrases in 5 subjects |
| General | 8 |
| Quantum electronics | 2 |
| Radio | 2 |
| Technology | 11 |
| Telecommunications | 4 |
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