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- alternating current invasion 交流侵入
- A device used to convert direct current into alternating current. 反用换流器用于变直流电为交流电的仪器
- A diode rectifies alternating current. 二极管调整交流电。
- This is an alternating current generator. 这是一台交流发电机。
- Forbid link alternating current to the output side. 严禁将交流输入电源接至节电器输出端上。
- Alternating current,direct current. 交流电，直流电。
- Alternating current, direct current. 直流电，交流电。
- A device, such as a diode, that converts alternating current to direct current. 整流器; 整流管一种将交流电流转化为直流电流的装置，如二极管
- This iron can only be used with alternating current. 这种熨斗只能使用交流电。
- For many reasons the alternating current is more widely. 由于种种原因交流电比直流电用得广泛。
- An electric generator that produces alternating current. 交流发电机
- This type of MP3 player cannot be connected to alternating current. 这款MP3播放机不可以直接插交流电使用。
- Either direct or alternating current may be used for driving electric trains. 直流电和交流电都可用来驱动电气火车。
- Alternating current reverses from negative to positive about 60 times a second. 交流电由负到正一秒钟大约变换六十次。
- Alternating current reverse from negative to positive about 60 times a second. 交流电由负到正一秒钟大约变换六十次。
- Diodes are electronic devices which rectify alternating current to direct current. 二极管是将交流电整流成直流电的电子装置。
- The beating of heart induces alternating currents in the surrounding tissues. 心脏的搏动在其周围组织中感应出交流电流。
- Alternating current(A.C) is a kind of eletric current that continually surges to and fro. 交流电是一种连续不断来回波动的电流。
- The difference between a direct and an alternating current is that a direct current always flows in one direction. 直流电和交流电的区别在于直流电总是向一个方向流动。
- This high frequency alternating current produces the high frequency radio waves mentioned in the previous chapter. 这种高频交流电流产生前一章提到过的高频无线电波。
