| |||
| звуковая модуляция; тональная модуляция | |||
|
audio modulation : 7 phrases in 4 subjects |
| Electronics | 3 |
| Military | 1 |
| Technology | 2 |
| Telecommunications | 1 |
| |||
| звуковая модуляция; тональная модуляция | |||
|
audio modulation : 7 phrases in 4 subjects |
| Electronics | 3 |
| Military | 1 |
| Technology | 2 |
| Telecommunications | 1 |