To study the characteristics of Li-ion battery and evaluate its usability on electric vehicles (EV), detailed examinations about the performance of Li-ion battery are carried out.
为深入了解锂离子动力电池的充放电特性，评价其在电动汽车上的使用性能，通过不同条件下的试验对两种锂离子动力电池进行了全面性能测试。
On the base of study about a oil-field, we found that these ways have different limitations, and after further study, we obtained the favourite conditions for ev...
在对某油田几个区块的研究基础上，发现这些方法都有自己的局限性，并经过进一步地研究得到了它们各自的适用条件。
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