论文部分内容阅读
节能是当今世界性问题,节减石油消耗是当前节能的重点。为节油和充分利用大城市夜间的电力,发展电动汽车作为城市交通运输的辅助工具是很有
Energy conservation is a worldwide problem. Saving oil consumption is the focus of current energy conservation. In order to save fuel and make full use of the power of the big cities at night, it is very helpful to develop electric vehicles as an aid for urban transportation.