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| acoustic blanking (горных пород); acoustical sounding | |||
| acoustic sounding (напр. атмосферы) | |||
| echo deep sounding | |||
| acoustic sounding (напр., атмосферы) | |||
| echo sounding (напр., горных пород) | |||
| acoustic probing; echodeep sounding; reflection sounding; echo sounding; acoustic sounding | |||
| акустическое зондирование: 5 phrases in 4 subjects |
| Acoustics | 1 |
| Geophysics | 1 |
| Military | 2 |
| Oil / petroleum | 1 |