 |
| |||
| law of frequency (повторения) | |||
| закон частоты: 14 phrases in 7 subjects |
| Antennas and waveguides | 1 |
| Aviation | 1 |
| Electronics | 1 |
| Makarov | 2 |
| Mass media | 3 |
| Military | 5 |
| Nanotechnology | 1 |
|
| |||
| law of frequency (повторения) | |||
| закон частоты: 14 phrases in 7 subjects |
| Antennas and waveguides | 1 |
| Aviation | 1 |
| Electronics | 1 |
| Makarov | 2 |
| Mass media | 3 |
| Military | 5 |
| Nanotechnology | 1 |