| 1. | Code for measurement of sound - absorbing coefficient in reverberation room
混响室法吸声系数测量规范 |
| 2. | Acoustics - sound - abserbin coefficient measurement by method of reverbration room
混响室法吸声系数测量规范 |
| 3. | Average sound absorption coefficient
平均吸声系数 |
| 4. | Acoustical absorption coefficient
吸声系数 |
| 5. | Coefficient of sound absorption
吸声系数 |
| 6. | Acoustical absorption factor
吸声系数 |
| 7. | The sound absorption coefficient of the material was tested by standing wave tube method
采用驻波管法测试材料的吸声系数。 |
| 8. | Code for measurement of sound - absorbing coefficient and specific acoustic inpedance of standing - wave
驻波管法吸声系数与声阻抗率测量规范 |
| 9. | Measurement of sound - absorbing coefficient and sound - resistance rate by method of standing wave tubes
驻波管法吸声系数与声阻抗率测量规范 |
| 10. | Standard test method for sound absorption and sound absorption coefficients by the reverberation room method
用混响室法测定吸声及吸声系数的标准试验方法 |
