HEV驱动系统参数（发动机功率、电动机功率及传动系速比等）对车辆的动力性、燃油经济性和排放性能均有显著影响。

The parameter(engine power electromotor power and ratio of driveline)of powertrain system for HEV have notable influence on dynamical performance economical fuel consumption and emission of vehicle.

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软件除具有优化传动系参数的功能外，还能对汽车的动力性能和燃料经济性能进行单独计算。

Except the transmission parameters optimization function, the software also can calculate tractive performance and fuel economy.

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该部件在较大程度上决定着摩托车传动系的工作性能。

To a larger extent, it determines the working performance of the motorcycle transmission system.

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