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| эффективность диаграммы направленности антенны | |||
| efficiency beam: 22 phrases in 11 subjects |
| Antennas and waveguides | 2 |
| Automated equipment | 1 |
| Electrical engineering | 1 |
| Electronics | 2 |
| General | 2 |
| Geophysics | 1 |
| Makarov | 2 |
| Mass media | 1 |
| Military | 1 |
| Nanotechnology | 3 |
| Technology | 6 |