利用电场边界条件和费马原理证明电位移线在两种介质界面上的折射。
The paper is to prove the refraction on two kinds of medium interfaces of electric displacement line using the boundary condition of the electric field and Fermat Principle.
导出了作用在位错上的像力和刚性线夹杂表面剪应力和电位移的解析表达式。
The image force acting on the piezoelectric screw dislocation and the generalized stress on the surface of rigid line are calculated.
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