alteration switch
英 [ˌɔːltəˈreɪʃn swɪtʃ]
美 [ˌɔːltəˈreɪʃn swɪtʃ]
网络 变换开关{自}; 变换转移点; 交换开关; 变换开关; 变更开关
双语例句
- Methods Long time power supply for type-B ultrasonic and other related medical devices was realized through AC/ DC alteration switch.
方法：通过交直流转换开关，实现野外条件下B超机或其他相应医疗设备长时间供电的需求。 - Objectives To evaluate LV hemodynamic alteration and coronary artery anatomy patterns before arterial switch operation ( ASO) for transposition of the great arteries ( TGA) with intact ventricular septum ( IVS) by echocardiography in 17 infants.
目的通过超声心动图对17例新生儿ASO术前的回顾，评价左室血流动力学的改变和冠状动脉解剖类型的正确诊断在新生儿单纯完全性大血管转位（TGA）一期动脉转位术前的价值。