| 1. | In order to improve the diagnostic precision of cardiac disease and understand the effect on the body surface ecg of myocardial cell and ionic activity , the experimental method can be used , but it needs long time , high cost and big fatalness , so ca n ' t make people content
为了提高心电图诊断水平,深入了解心肌细胞及其离子活动对体表心电的影响,可以采用人体或动物实验的方法,但是,这些方法存在周期长、代价高、危险性大等问题,很难令人满意。 |
