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接地常数

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接地常数为一电信名词，是指土壤的电气相关参数，例如电导率、电容率及磁导率。

接地常数会随各地区的土壤化学成分以及密度而不同。若是在探讨电磁波的传递，例如由地表传播的表面波，这些参数也会随方向及频率而不同。

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接地常数
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