The current detection method of motorcycle engine abnormal sound is artificial auscultation, which is very subjective and easy to make mistakes.

现行的摩托车发动机异响检测方法为人工听诊，主观性很强，容易出现错判。

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Therefore, it is necessary to establish an evaluation system of engine abnormal sound that detects engine sound objectively and quantitatively and improves the accuracy.

因此，有必要建立一种发动机异响评价体系，客观定量的检测发动机声音，提高准确率。

youdao

Therefore, it is necessary to establish an evaluation system of engine abnormal sound that detects engine sound objectively and quantitatively and improves the accuracy.

因此，有必要建立一种发动机异响评价体系，客观定量的检测发动机声音，提高准确率。

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