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| coefficient d'absorption acoustique; facteur d'absorption acoustique | |||
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sound coefficient : 20 phrases in 8 subjects |
| Construction | 2 |
| Earth sciences | 1 |
| Electronics | 5 |
| Environment | 1 |
| Health care | 4 |
| Industry | 1 |
| Natural resourses and wildlife conservation | 3 |
| Natural sciences | 3 |
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