OK. In general you could extend this analysis to include vibrations, rotations, energy in a magnetical field, electric field, et cetera. Any questions?
一般的,可以把上面的分析扩展到包含振动，转动以及电磁场能量等等，有问题吗？
The method for measuring the penetration time constant of a step vertical or horizontal magnetical field through a resistive conducting shell is described.
本文叙述了测量阶跃脉冲垂直磁场和水平磁场渗透hl - 1装置各种比例导体壳时间常数的方法。
There are not only magnetical connection but also direct connection of electricity between stator and rotor windings of the doubly fed slip-ring generators.
双输出绕线式发电机的定转子绕组之间不仅有磁的联系，而且有电的直接联系。
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