 |
| |||
| разнос частот; диапазон частот (oleg.vigodsky) | |||
| frequency space: 21 phrases in 9 subjects |
| Antennas and waveguides | 1 |
| Astronautics | 4 |
| Electronics | 1 |
| Information security and data protection | 1 |
| Makarov | 3 |
| Programming | 2 |
| Radiolocation | 1 |
| Technology | 3 |
| Telecommunications | 5 |