opposition to the flow of sound through a surface; acoustic resistance is the real component of acoustic impedance and acoustic reactance is the imaginary component
双语例句
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。
