direct current是直流电
举一反三
- 在电力电子变流技术中,将直流(Direct Current,简称DC)变换成直流(Direct Current,简称DC)的电力变换技术称之为
- 中国大学MOOC: Alternating current(交流电) as a source of power has certain advantages over direct current(直流电). 前后两个下划线介词短语分别充当_______。
- direct current
- The function of direct current regulated power supply is to input an alternating current power of 220volts, so that it can output __________.( ) A: alternating current 200 volts voltage B: direct current 24 volts voltage C: direct current 200 volts voltage D: alternating current 24 volts voltage
- 爱迪生是与()围绕着()开展了一场世纪之争。 A: 爱因斯坦;直流电和变流电 B: 特斯拉;直流电和变流电 C: 爱因斯坦;直流电和交流电 D: 特斯拉;直流电和交流电