确定这个百分比的方法是：在一个规定的时间间隔内将电容器充电至某一额定电压，然后在第二个时间间隔内使电容器放电。
This percentage is determined by first charging the capacitor to the rated voltage for a specified time interval, then discharging it for a second time interval.
确定这个百分比的方法是：在一个规定的时间间隔内将电容器充电至某一额定电压，然后在第二个时间间隔内使电容器放电。
This percentage is determined by first charging the capacitor to the rated voltage for a specified time interval, then discharging it for a second time interval.
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