 |
| |||
| дальнее распространение (радиоволн) | |||
| long- distance propagation: 5 phrases in 3 subjects |
| Electronics | 1 |
| Makarov | 1 |
| Technology | 3 |
|
| |||
| дальнее распространение (радиоволн) | |||
| long- distance propagation: 5 phrases in 3 subjects |
| Electronics | 1 |
| Makarov | 1 |
| Technology | 3 |