It is pointed out that the self-induction coefficient is relative to the current frequency in the actual conductor circuit, even if there is not any magnetic medium.
指出在无磁介质存在的条件下，实际导体回路的自感系数也与电流频率有关。
It will give patients treatment by means of the amplified amplitude modulating wave current that can be obtained form medium frequency amplitude modulated by the low frequency pulse signal.
它将有关低频脉冲信号对中频调幅后，利用被放大的调幅波电流对人体进行治疗。
ConclusionThe modulated medium frequency low frequency current hydroelectric bath therapy is a simple, safe and better effect method for sequela of ankle fracture.
结论低频调制的中频电水浴疗法是治疗踝部骨折后遗症的一种简单、安全、疗效好的方法。
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