The readings are useful to students to understanding the knowledge of coupling inductance, because we have given some electromagnetic theories and proofing processes in the teaching.
解决的方法是补充一些知识，采用电磁学理论和数学证明的方法，结合能量守恒定律，对于补充的知识给予合理的叙述和证明。
Associating problems encountered in teaching of an introduction to electromagnetic fields, two viewpoints concerning spherical mirror method and calculation of electric field energy are pointed out.
结合“电磁场导论”课程教学中遇到的问题，指出有关球面镜像、电场能量计算的两点看法。
Associating problems encountered in teaching of an introduction to electromagnetic fields, two viewpoints concerning spherical mirror method and calculation of electric field energy are pointed out.
结合“电磁场导论”课程教学中遇到的问题，指出有关球面镜像、电场能量计算的两点看法。
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