求翻译：11月我国新能源汽车生产7.23万辆，同比增长6倍。免征车辆购置税是新能源汽车产量剧增的一个重要原因。今年1到11月新能源汽车累计生产27.92万辆，同比增长4倍。是什么意思？

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November 7724 new 7.23 million production energy vehicles vehicles 6 times. Vehicle procurement tax exemption is a new energy the dramatic increase in the number of automobiles produced an important reason. 1 to November this year, new energy vehicles cumulative production 27.92 million units, 4 tim

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New energy vehicles in China in November, 72,300, up 6 times. Exemption from vehicle purchase tax was an important reason for a sharp increase in output of new energy vehicles. New energy vehicle produced 279,200 in January-November this year, an increase of 4 times.

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