用有限元法分析了标准电容器电场的电位势的分布，得到了孔洞材料的介电常数。

The distribution of electrical potential of standard capacitor is analyzed by finite element method;

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用有限元法分析了标准电容器电场的电位势的分布，得到了孔洞材料的介电常数。

The distribution of electrical potential of standard capacitor is analyzed by finite element method;

youdao