| 单词 | 心脏收缩 |
| 释义 | 〔ballistocardiograph〕A device used to determine the volume of blood passing through the heart in a specific period of time and the force of cardiac contraction by measuring the body's recoil as blood is ejected from the ventricles with each heartbeat.心脏射出容量描计器：通过对每一次心跳从心室射出的血液产生的对身体的反弹，来测定在一指定时间内通过心脏的血流量和心脏收缩力的仪器 |
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