| |||
| непосредственная частотная модуляция | |||
|
direct frequency modulation : 3 phrases in 2 subjects |
| Electronics | 1 |
| Mass media | 2 |
| |||
| непосредственная частотная модуляция | |||
|
direct frequency modulation : 3 phrases in 2 subjects |
| Electronics | 1 |
| Mass media | 2 |