电场能量，是电场所具有的能量，等于电场能量密度对电场所处空间的积分。简称电场能。
本文进一步讨论了电容器中介质场能量与电场能量的相互转换规律。
In this paper, the regularity of transformations each other, between the energy of dielectric field and the energy of electrical field in the capacitor has been further discussed.
针对一些物理实际问题，探讨如何利用物理思想分析电场能量的守恒与转换。
It aimed at practical problem and discusses how to analyze energy conservation and conversion in the electric field through physical theory.
利用电场能量和电容器的能量公式，解出非平行板电容器的电容和电场分布。
The capacitance and electric field intensity of nonparallel plate capacitor are calculated according to the formula of electric field energy and capacitor.
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