| |||
| многократное эхо | |||
|
echo flutter : 17 phrases in 11 subjects |
| Acoustics | 1 |
| Communications | 1 |
| Construction | 2 |
| Electronics | 1 |
| Geophysics | 1 |
| Hi-Fi | 1 |
| Makarov | 1 |
| Mass media | 2 |
| Nanotechnology | 1 |
| Nautical | 1 |
| Telecommunications | 5 |
| |||
| многократное эхо | |||
|
echo flutter : 17 phrases in 11 subjects |
| Acoustics | 1 |
| Communications | 1 |
| Construction | 2 |
| Electronics | 1 |
| Geophysics | 1 |
| Hi-Fi | 1 |
| Makarov | 1 |
| Mass media | 2 |
| Nanotechnology | 1 |
| Nautical | 1 |
| Telecommunications | 5 |