sound absorption efficient
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- 吸声系数
双语例句
- 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。 - There are some parameters that influence the multilayer microperfrated structure, which make acoustic impedance and absorption cofficient to compute complicatedly.
摘要影响双层微穿孔结构的参数很多，其声阻抗及吸声系数的计算复杂。
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