A sort of electrostatics problem that using electric image method to solve the electric field in the wedge area between two infinite earthing metal boards are discussed using group theory.
对静电学中用电象法求解两无穷大接地金属板间楔形区域内的电场的题目，利用群论方法加以讨论，给出了可求解的条件及一般的象电荷分布。
The main methods used to reduce ELFE include electromagnetic field protection technology, driven shaft earthing system, drive shaft earthing system and electric field counteracting system.
电磁场防护结构工艺、被动轴接地系统、主动轴接地系统和电场抵消系统是目前降低舰船极低频电场的主要方法。
The results shows severe field distortion at conductor and earthing top of insulator which stress is in more than 10 times higher than at central part due to effect of distributed capacitance of H.
得出受杆塔和高压导线分布电容的影响，绝缘子导线侧和接地侧的电场畸变严重；
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