近年来国产电池用电解二氧化锰的质量不断提高， 杂质含量下降，给分析化学人员提出了复杂的课题。
In current years, with the improvement of the quality of homemade EMD , the contents of impurities deducted, which results in new problems for analytical chemists.
销量最多的车型要数国产的比亚迪F-3了，出自深圳一家电池厂商转型的汽车公司之手。
The biggest selling car was the home-grown BYD F3 – made by Shenzhen’s battery-maker turned automaker.
当前，比亚迪是中国国产电动汽车的领跑者。 其曾为电池生产商，后转型为汽车制造商，沃伦.巴菲特持有此公司的股份。
The local champion is BYD, a battery-maker turned car producer in which Warren Buffett has a stake.
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