能源的短缺和环境的污染已经成为人类社会发展的两大难题。插电式混合动力汽车不仅可以减轻汽车对汽油的依赖而且能够减少废气的排放，将是未来很长时间汽车的发展方向。对插电式混合动力汽车的概念及其特点进行了阐述，并且说明其工作原理。%Nowadays ,energy shortage and environmental pollution have become two big difficult problems in the development of hu‐man society .Plug‐in hybrid car not only can reduce the dependence on petrol but also can reduce exhaust emissions ,it will be the car development direction in the future .In this paper ,the concept of plug‐in hybrid electric vehicle and its characteristics are expounded , and its working principle is introduced .
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