研究开发了混合动力电动车(HEV)中的辅助动力系统，采用一台小排量的发动机组成发电机组，既可以给电池组充电，发动机也可以直接驱动空调系统。
In this paper, the assistant power system of hybrid electrical vehicle (HEV) was an engine with small displacement, which could charge the battery and directly drive the air-conditioning system.
丰田普锐斯（Prius）油电混合动力车在加速的时候要利用发电机辅助汽油发动机，每加仑汽油可以跑40-45英里。
The Toyota Prius gasoline-electric hybrid, which uses an electric motor to assist its gasoline engine when accelerating, gets 40 to 45 miles per gallon of gas.
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