Seismic acoustic impedance linear inversion algorithm is studied.

研究地震波阻抗线性反演求解方法。

Methods to check on objective acoustic impedance and subjective pure tone audiometry.

方法对外伤性聋进行客观声导抗测试和主观纯音测试。

A special nomograph designed for calculating the normal specific acoustic impedance is proposed.

本文提出一种为计算法向声阻抗率而设计的专用列线图。

Up till now, there is no accurate standard for the optimum acoustic impedance of the coupling medium.

目前国内超声医学界对最佳耦合剂声阻数值的选择尚无较为准确的说法。

In acoustics, the product of velocity times density, also called acoustic impedance and symbolized by z.

声学中，速度与密度的乘积就是阻抗，也称为声阻抗或波阻抗，用符号Z表示。