In the atmosphere, static electric fields (also referred to as electrostatic fields) occur naturally, in fair weather, and especially under thunderclouds.
在大气中，静电场在晴天、特别是雷阵雨时自然产生。
Five-dimensional axisymmetric equations with electrostatic fields are derived.
我们首先导出了带有电场的轴对称五维场方程。
The torus curve triangular BEM is put forward to calculate electric field intensity of ring electrodes in 3-d electrostatic fields.
针对高压电力设备中常见的圆环电极表面电场强度的计算问题，提出了圆环面曲边三角形边界元方法。
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