It is shown from the solution that the electric field strength and electric displacement in inclusion are all constant.
解答表明，夹杂内的电场强度和电位移为常量。
And finite element method was adopted to calculate the electric field strength to find whether it is beyond the critical.
对于金属导体引起的电场不规则畸变，采用有限元的方法计算场强以验证是否超出临界值。
When object touches the baseboard to change the electric field strength, the touch-control panel can recognize the touched position.
当物体接触该透明基板而改变该电场的电场强度后，该触控面板就能识别出该接触的位置。
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