ABSTRACT Heart sound is one of the most important physiological signal in human body, the history of cardiac auscultation is more than 180 years.
心音是人体最重要的生理信号之一，心音听诊的历史已有180多年。
Heart sound is one of the most important physiological signal in human body, the history of cardiac auscultation is more than 180 years.
心音是人体最重要的生理信号之一，心音听诊的历史已有180多年。
Heart sound auscultation is an important way to check the integrity of cardiac function, and the patients with heart diseases can be probably diagnosed by means of the stethoscope.
心音听诊是检查心脏功能完整性的一种重要方式，可借由听诊器大概诊断出病患的心脏疾病。
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