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| узкополосный фильтр | |||
| narrow filter: 18 phrases in 13 subjects |
| Astronomy | 1 |
| Data processing | 1 |
| Electronics | 2 |
| Geophysics | 1 |
| Makarov | 1 |
| Mass media | 1 |
| Metrology | 1 |
| Optics branch of physics | 1 |
| Physics | 1 |
| Polygraphy | 2 |
| Solar power | 1 |
| Technology | 3 |
| Telecommunications | 2 |