The electrodeconnection and interference, poor perception of equipments affect the heart rate and rhythm demonstrated a major factor of accuracy for heart rate and rhythm;
电极接触不良及干扰、仪器感知功能不良是影响心率及心律显示准确性的主要因素；
2
This paper mainly introduces the different arc shapes, metal transfer modes, compositions of arc and temperature distribution in plasma-GMAW with different electrodeconnection forms at present;