在电池内装置正温度系数端子(PTC)，可提高电池的耐过充性和短路安全性。
Fitting a positive temperature coefficient part (PTC) was very useful to improve the overcharge performance and short circuit safety performance.
本文用剖割的方法计算了正六面体电路任意两端子间的等效电阻。
This paper, using cutting method, calculated the equivalent resistance of any two points of the circuit in the normal hexahedron.
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