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| блок фильтров | |||
| звено фильтра | |||
| секция фильтра (oleg.vigodsky) | |||
| filter section: 30 phrases in 10 subjects |
| Antennas and waveguides | 8 |
| Astronautics | 2 |
| Electronics | 6 |
| Makarov | 2 |
| Mass media | 1 |
| Mathematics | 1 |
| Nanotechnology | 1 |
| Technology | 5 |
| Telecommunications | 2 |
| Transport | 2 |