因此，研究与寻找具备高介电常数的电应力控制新型聚合物基复合材料就成为工程电介质物理领域研究的重要课题。
Therefore, to develop the composite with high permittivity, which can control electrical stress, has become an important subject in the field of engineering dielectric physics.
通过自制的专用电容器，采用电容测量仪测电容的方法，在物理实验中开设液体电介质的相对介电常数的测量实验。
This article introduces a method to measure the relative dielectric constant of liquid dielectrics in physical experiments, with a special capacitor made by ourself.
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.
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