采用4 挡变速器参数画出C 曲线。 其中，横坐标“燃油经济性”采用NEDC 循环行驶工况油耗，纵坐标“动力性”采用0~80km/h 原地起步加速时间；主传动比的值分别为4.82、5.3、5.83、6.12 和6.43。(The C curve is drawn by the parameters of the 4 gear transmission. Among them, the "fuel economy" of the transversal "fue

总结一些车辆行驶工况，方便科研工作，增加些资料(Summarize some vehicle driving conditions, facilitate scientific research, and add some information)