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| эхо | |||
| эхо-сигнал | |||
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| отклик; отголосок | |||
| эхо-луч | |||
| эхо-эффект | |||
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echo : 33 phrases in 11 subjects |
| Acoustics | 1 |
| Construction | 2 |
| Economics | 2 |
| Electrical engineering | 8 |
| General | 11 |
| Metallurgy | 1 |
| Microsoft | 1 |
| Nuclear physics | 1 |
| Radioengineering | 4 |
| Sound recording | 1 |
| Technology | 1 |