Based on the test, the conclusion is that the causality and linear functional relation are existed between rock and AC impedance spectra. AC impedance can disclose the properties of rocks.

岩石的种类和岩样的物理状态与交流阻抗谱之间具有因果关系和线性函数关系，可以通过交流阻抗谱特征来研究岩石的物理性质。

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Through stochastic inversion, not only the high resolution impedance, but also the gamma ray, porosity and other lithologic parameters with physical properties of rock can be inverted.

随机地震反演不仅可以获得高分辨率波阻抗资料，还可以得到伽玛、孔隙度等储层物性参数，具有更直接的岩石物理意义。

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This paper designed a new type of muffler for pneumatic rock drill with the theory of impedance.

利用阻抗消声原理为气动凿岩机设计了一种新型的消声罩。

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