 |
| |||
| радиоэхо | |||
| отражённый импульс | |||
| эхо-сигнал; эхо | |||
| отражённый сигнал | |||
|
reflection echo : 11 phrases in 9 subjects |
| Electronics | 2 |
| Nanotechnology | 1 |
| Non-destructive testing | 1 |
| Physics | 1 |
| Radiolocation | 1 |
| Space | 1 |
| Technology | 1 |
| Telecommunications | 1 |
| Television | 2 |