| 释义 |
ballistocardiograph- 英?[b?l?st?'kɑ:d???ɡr?f]
- 美?[b?l?st?'kɑd???ɡr?f]
英英释义Noun1. a medical instrument that measures the mechanical force of cardiac contractions and the amount of blood passing through the heart during a specified period by measuring the recoil of the body as blood is pumped from the ventricles
|