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| 反射波; 回声 | |||
| 反射信号; 反射回声; 回号; 回波; 反射回波; 回波信号 | |||
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отражённый сигнал : 82 phrases in 9 subjects |
| Antennas and waveguides | 8 |
| Astronautics | 6 |
| General | 4 |
| Military | 1 |
| Nanotechnology | 1 |
| Nautical | 1 |
| Radio | 5 |
| Radiolocation | 3 |
| Technology | 53 |
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