在满足排放法规的前提下，获得了最佳经济性。
The result shows that the best fuel economy was achieved while the emission limits were met.
定义了系统最佳经济性工作区域和最佳经济曲线，并与传统内燃机驱动柱塞泵系统进行比较。
The optimal economic working zone and economic curve were defined and compared with traditional internal combustion engine driving plunger pump.
实验表明，该系统可以按最佳动力性换档规律和最佳经济性换档规律自动从低档升入高档或从高档降到低档。
The tests indicate that the system can shift automatically from low gear to high or from high gear to low according to the optimal dynamic and economic shift pattern.
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