现在小型电动车的市场成熟了吗？
将来的电力传送带将首先为大型公交车使用，然后再应用到小型电动车。
Future power strips will be designed big enough for use by large buses at first, then by smaller online electric cars later on.
但是仍没有轻易做到一次充电能为一辆小型电动车通过一段合理的道路提供电力的锂电池。
But there is still no lithium battery light enough to power a small electric car over a reasonable distance on a single charge.
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