Calculates average battery discharge rate over time.
随着时间的推移，平均计算电池放电率。
Statistical calculi discharge rate, the time of discharge, and the analgesic drug usage.
统计结石排出率、排出时间及止痛药物使用情况。
The result shows that the longer is the time of constant potential, the bigger is the discharge capacitance and the lower is the self-discharge rate.
结果表明，恒压时间越长，超级电容器的放电电容越大，自放电速率越低。
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