The results indicate that proper combustion phase retarding can reduce acoustic intensity significantly and maintain the performance and emissions.

结果发现通过适当的着火延迟可以有效地降低声响强度，同时保证性能和排放基本不变。

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The results indicate that proper combustion phase retarding can reduce acoustic intensity significantly and maintain the performance and emissions.

结果发现通过适当的着火延迟可以有效地降低声响强度，同时保证性能和排放基本不变。

youdao