 |
| |||
| уровень эхо-сигнала (oleg.vigodsky) | |||
|
echo level : 8 phrases in 5 subjects |
| Electronics | 1 |
| Mass media | 2 |
| Military | 1 |
| Space | 1 |
| Telecommunications | 3 |
|
| |||
| уровень эхо-сигнала (oleg.vigodsky) | |||
|
echo level : 8 phrases in 5 subjects |
| Electronics | 1 |
| Mass media | 2 |
| Military | 1 |
| Space | 1 |
| Telecommunications | 3 |