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acoustic attenuation
| coefficient
| acoustic attenuation | |
| space | 声衰减 |
| coefficient | |
| avia. | 协同因素 |
| earth.sc. | 导数; 因素 |
| interntl.trade. | 折算率 |
| radio.amat. | 系数 |
| space | 因数 |
| tech. | 系数; 率 |
| |||
| 声衰减 | |||
| 声的衰减 | |||
|
acoustic attenuation coefficient : 4 phrases in 4 subjects |
| Electronics | 1 |
| Geophysics | 1 |
| Oil / petroleum | 1 |
| Technology | 1 |
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