It lays a foundation for calculation of electrical field of surrounding medium, and provides guides for field production.
为进一步研究井中偶极供电时油井周围地层场的计算奠定了基础，对野外实际生产有一定的指导意义。
The deeping of the electric machine theory and many concepts, and the change of calculating method on electrical machines due to the numerical calculation of magnetic field are also analysed.
文中还分析了由电磁场数值计算引起的电机学理论和一些概念的深化，以及电机分析计算方法的变化。
In this paper, this method is used to calculate electrical field of ball-plate electrode and board and use MATLAB language to program calculation software.
笔者应用模拟电荷法对球一板电极电场进行了计算，并用MATLAB语言编制了计算软件。
In this paper, this method is used to calculate electrical field of ball-plate electrode and board and use MATLAB language to program calculation software.
笔者应用模拟电荷法对球一板电极电场进行了计算，并用MATLAB语言编制了计算软件。
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