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| П-образный фильтр; фильтр из П-образных ячеек | |||
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| фильтр сечений | |||
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section filter : 39 phrases in 12 subjects |
| Antennas and waveguides | 8 |
| Astronautics | 2 |
| Electronics | 6 |
| Information technology | 2 |
| Makarov | 2 |
| Mass media | 1 |
| Music | 1 |
| Nanotechnology | 1 |
| Radioengineering | 4 |
| Technology | 8 |
| Telecommunications | 2 |
| Transport | 2 |