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 |
 |
 |
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|---|---|---|---|---|---|
| 1 | sound absorption coefficient | 吸音率 | |||
| 2 | average sound absorption coefficient | 平均吸音率 | |||
| 3 | random incidence sound absorption coefficient | ランダム入射吸音率 | |||
|
|
|
|
|
|
|---|---|---|---|---|---|
| 1 | sound absorption coefficient | 吸音率 | |||
| 2 | average sound absorption coefficient | 平均吸音率 | |||
| 3 | random incidence sound absorption coefficient | ランダム入射吸音率 | |||
