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- 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
- alternating current noise 交流电杂音心电图
- 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。
- However, if a change can be made, the equations show that R should be lowered to decrease voltage noise or raised to decrease current noise. 然而，如果可以改变源电阻的话，公式表明，要降低电压噪声应当减小R，而要降低电流噪声应当加大R。
- 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。
- Compared to an electrometer, the voltage noise and drift are much lower, and the current noise and drift are much higher. 与测量高源内阻电压的静电计相比，纳伏表的电压噪声和电压漂移更低一些，电流噪声和电流漂移则是静电计要更低一些。
- For anharmonic trap, this excitation has energy-selective characters, and depends on the frequency spectrum of the current noise. 对于非简谐阱,这种激发具有能量选择特性,它又取决于电流噪声的频谱分布。
- 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。
- Abstract： In all optical asynchronous CDMA communication system，multi-user interference and PIN dark current noise can be reduced by introducing double optical harder-limiters. 摘 要： 在全光异步CDMA通信系统中，引入两个光硬件限幅器是有效减小多用户干扰及PIN光电检测过程暗电流噪声的一种方案。
