An optimum method for selecting automotive engine performance parameters is proposed in this paper.

本文提出了一种优选汽车发动机性能指标的方法。

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Through optimum matching experiment, both its power performance, economic performance and discharge performance have reached or even exceeded the standard of remodeled engine of that kind.

通过优化匹配试验，其动力性、经济性、排放性能指标均达到或超过同类改装机型的水平。

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Meanwhile, because the ignition timing can be adjusted, the power performance and the economic performance of the engine can obtain the optimum.

同时由于可调节点火正时，能使发动机的动力性和经济性达到最佳。

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