The three-dimensional exact solutions of the displacement, electric potential, magnetic potential, stress, electric displacement and magnetic induction of equilibrium problems are also obtained.
并得到了平衡问题的扇形板和扇形环板在两种边界条件下的位移、电势和磁势，应力、电位移和磁感应强度的三维精确解。
The size of reversing electric potential may be changed and equilibrium between reactance electrical potential and reversing electrical potential may be broken by manual.
通过人为改变换向电势大小，打破电抗电势与换向电势平衡。
The size of reversing electric potential may be changed and equilibrium between reactance electrical potential and reversing electrical potential may be broken by manual.
通过人为改变换向电势大小，打破电抗电势与换向电势平衡。
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