| |||
| обратная связь на частоте модуляции | |||
|
modulation-frequency feedback : 6 phrases in 3 subjects |
| Electronics | 1 |
| Military | 2 |
| Technology | 3 |
| |||
| обратная связь на частоте модуляции | |||
|
modulation-frequency feedback : 6 phrases in 3 subjects |
| Electronics | 1 |
| Military | 2 |
| Technology | 3 |