该方法以表面电荷法为基础，包括了空间电荷效应的计算，并对点源结构特点进行了简化处理。

The method is based on the surface charge method, in which the space charge effects have been considered. A simplification against the structure of point source has been made.

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该方法以表面电荷法为基础，包括了空间电荷效应的计算，并对点源结构特点进行了简化处理。

The method is based on the surface charge method, in which the space charge effects have been considered.

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为探讨高压直流设备绝缘的最主要问题—空间电荷效应，应用电声脉冲法(PEA)对油纸绝缘材料的空间电荷特性进行了研究。

This paper studied the space charge characteristics of oil-paper insulation materials by the Pulsed Electro-Acoustic (PEA) method.

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