两个电荷之间的电磁作用力在不同参考系中测量结果是不一样的。
The measure result of the electromagnetic force between two charges is different in distinct reference system.
应用电磁场分析软件对高速电磁阀电磁作用力进行有限元分析计算。
Based on the analysis software of electromagnetic field, the electromagnetic force which is for high-speed solenoid was calculated by the finite element analysis of electromagnetic field.
直线电机和反力板间的垂向电磁作用力随气隙值动态变化，将其简化为特殊的线性弹簧。
The vertical electric magnetic force between LIM and reaction plate which dynamically varied with the air gap is simplified as special linear spring.
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