| |||
| задержанный эхо-сигнал | |||
|
delay echo : 17 phrases in 10 subjects |
| Antennas and waveguides | 1 |
| Computers | 1 |
| Geophysics | 1 |
| Makarov | 2 |
| Mass media | 3 |
| Military | 1 |
| Nautical | 1 |
| Radioengineering | 1 |
| Technology | 2 |
| Telecommunications | 4 |
| |||
| задержанный эхо-сигнал | |||
|
delay echo : 17 phrases in 10 subjects |
| Antennas and waveguides | 1 |
| Computers | 1 |
| Geophysics | 1 |
| Makarov | 2 |
| Mass media | 3 |
| Military | 1 |
| Nautical | 1 |
| Radioengineering | 1 |
| Technology | 2 |
| Telecommunications | 4 |