At present, iontophoresis apparatus is a method that direct current power supply, or pulse electric current power supply.
目前，电离子导入仪主要采用的是直流电激励导入，或是脉冲电导入的方法。
Objective to design the circuit used in drug-iontophoresis and interference electric current therapy, which is a multi-functional apparatus.
目的：设计实现药物离子导入和干扰电多功能治疗仪的电路。
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