讨论了静电场中零电势参考点选择的规律和在物理教学中的应用。
The paper mainly discusses what choice systematicness of zero potential reference in electrostatic field.
指出在一般教学参考书中给出的静电场互作用能公式，仅仅是电势能公式。
It is pointed out that the interaction energy formulas given by some textbooks and reference books is only the potential energy formulas.
本文所进行空载电势波形的计算及阻尼绕组结构的优化，有一定的工程实用价值，可供工程计算参考使用。
The work of calculating no-load EMF waveform and optimization of damper windings is of some practical value, which can be referred in the engineering computation.
本文所进行空载电势波形的计算及阻尼绕组结构的优化，有一定的工程实用价值，可供工程计算参考使用。
The work of calculating no-load EMF waveform and optimization of damper windings is of some practical value, which can be referred in the engineering computation.
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