通过自制的专用电容器，采用电容测量仪测电容的方法，在物理实验中开设液体电介质的相对介电常数的测量实验。

This article introduces a method to measure the relative dielectric constant of liquid dielectrics in physical experiments, with a special capacitor made by ourself.

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基于介质圆柱电磁散射理论和等效介质理论，导出了金属柱微粒-电介质复合材料的等效相对介电常数的表达式。

Based on the electromagnetic scattering theory of dielectric wire and effective medium theory, the formula of the effective dielectric constant of metal wire-dielectric composites is derived.

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本文提出了用截止波导介质谐振腔测量微波材料相对介电常数和微波损耗的方法。

A method for measuring the dielectric constant and microwave loss of microwave ceramic with cutoff waveguide dielectric resonator is presented.

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