不是，是根据高级电磁场理论中的等效原理，在已知一个面上（要求场在监视器边缘上为零）或者一个封闭的监视器组中的电场磁场解析计算任意距离上的电场磁场结果。
不过，等效原理有不同的表达，需要找到同时使用面上电场磁场（或者电流）分布的那个。我找到这个
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