...学中它可 用三根互相垂直的轴来表示,其中纵向轴Z-Z称为光轴;经过正 六面体棱线,并垂直于光轴的X-X轴称为电轴(electrical axis) ; 与X-X轴和Z-Z轴同时垂直的Y-Y轴(垂直于正六面体的棱面) 称为机械轴。
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电轴左偏 Left axis deviation ; RBBB-LAD
电轴右偏 Right axis deviation
压电轴 [机] piezoelectric axis
心电轴 QRS ; cardiac electric axis ; PQRST
天线电轴 Antenna electrical boresight ; Electrical boresight of antenna
光电轴角编码器 optical electric axial angle encoder ; Photoelectric Shaft-position Encoder ; photoelectric shaft encoder ; optical-electric encoders
主介电轴 principal dielectric axe
发机电轴承 dynamo bearing
目的研究特发性室速患者心电轴的特征。
Objective To analyze the QRS axis characteristics of the idiopathic ventricular tachycardia.
电气同步是在交流传动中,常用带有均衡电动机的电轴系统来实现电气同步。
Electrical synchronization is used in ac drive, often with a balanced motor shaft system to achieve electrical synchronization.
结论注射造影剂后QRS时间延长及QRS额面电轴的变化可能是急性心肌缺血的标志。
Conclusion QRS prolongation and frontal plane QRS axis deviation after contrast medium injection may be a marker of myocardial ischemia.
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