提出并证明了含有旋转半圆的电化学交流阻抗复数平面图和电容复数平面图上相似图形等效电路的变换规则。推而广之 ,对任意包含有复数阻抗和复数电容的等效电路 ,有着同样的变换规则。应用此规则 ,可以将在一个复数平面图上的研究结果直接用到另一个复数平面图上 ,因此 ,变换规则在电化学交流阻抗研究中是一种有用的的手段。 The transformation rules of electrochemical AC impedance complex plane with rotating semicircle and equivalent circuit with similar pattern on the complex plane plot are proposed and proved. By extension, there is the same transformation rule for any equivalent circuit that contains complex impedances and complex capacitances. Applying this rule, the results of a complex plan can be used directly on another complex plan, so the transformation rule is a useful tool in electrochemical ac impedance studies.