采取先恒流后恒压的充电方式。
After the first constant current constant voltage charging ways.
先恒流后恒压方式充电，禁止颠倒的方式充电。如果电池正负极颠倒充电会带来危险。
Uses the constant electric current and the constant voltage way charge, the prohibition reverse charges. If the battery positive electrode and the cathode meet instead, can damage the battery.
在新出楚简《恒先》的研究中存在着三个问题。
There are three questions discussed about the research on Hengxian in the newest Chu slips.
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