The result show that performance of engine will be improve by increasing compression ratio of engine and using best ignition advanced angle.
试验结果表明提高发动机压缩比和选择最佳点火提前角后，发动机性能有一定提高。
Variable valve train enables the engine to achieve the best valve timing at a very high speed and load. Thus the performance of the engine can be improved.
配气可变机构可使发动机在较高转速和全负荷范围都能得到最佳配气，因而改善了发动机性能。
According to select control strategy, and makes engine operation which costs least fuel and get the best power and economy performance.
根据选定的控制策略，使发动机按最低油耗曲线运行，获得了很好的动力性和经济性。
According to select control strategy, and makes engine operation which costs least fuel and get the best power and economy performance.
根据选定的控制策略，使发动机按最低油耗曲线运行，获得了很好的动力性和经济性。
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