计算均匀极化的电介质球激发的电场，建立一个简单的物理模型。
In order to calculate electric field of polarized spherical dielectric medium, a simple physical model was built.
当绝缘状态受到各种因素的影响而发生变化时，其极化现象会发生变化，因而反映电介质响应特性的回复电压也会随之改变。
Once the insulation is impacted and changed by several factors, the polarization process and return voltage that reflects the dielectric response characteristics will be changed also.
建立了电介质极化过程的物理模型，并讨论了均匀电场与各向同性电介质极化的相互作用。
A physical model describing the process of polarization of electric medium is built up, and the interactions between symmetrical electric field and the polarized electric medium are discussed.
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