| 单词 | 交流电 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔AC〕In Europe, AC is usually generated at 50 Hz.欧洲的交流电输出频率通常为50赫兹。柯林斯高阶〔alternate〕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。21世纪英汉〔alternating current〕An electric current that reverses direction in a circuit at regular intervals.交流电：电路中在固定间隔时流向倒转的电流美国传统〔choke coil〕A circuit element used to suppress or limit the flow of alternating current without affecting the flow of direct current.扼流线圈：用来在不影响直流电电流量的情况下抑制或限制交流电电流量的一种电路元件美国传统〔commutate〕To reverse the direction of (an alternating electric current) each half-cycle to produce a unidirectional current.变换电流方向：颠倒每一半周（交流电流的）方向，以产生单方向性电流美国传统〔commutation〕Conversion of alternating to unidirectional current.整流：交流电转变到单向电流美国传统〔inverter〕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美国传统〔magneto〕A device that produces alternating current for distribution to the spark plugs, used in the ignition systems of some internal-combustion engines.永磁发电机，磁电机：产生交流电流从而给控制放电装置的火花塞配电的装置，用于一些内燃机的点火系统美国传统〔main〕This receiver works on batteries, or you can plug it into the mains electricity.这架收音机可以用电池,也可以把它插入交流电源使用。英汉大词典〔power pack〕A usually compact, portable device that converts supply current to direct or alternating current as required by specific equipment.电源组，动力单元：通常能折叠手提的装置，能按照具体设备的要求将供给的电流转化为直流电或交流电美国传统〔primary〕Alternating current flows into the primary coil.交流电流入初级线圈。外研社新世纪〔reactance〕Opposition to the flow of alternating current caused by the inductance and capacitance in a circuit rather than by resistance.电抗：交流电路中由电感和电容造成的阻抗部分，不是由电阻引起的美国传统〔rectifier〕Electronics A device, such as a diode, that converts alternating current to direct current.【电子学】 整流器；整流管：一种将交流电流转化为直流电流的装置，如二极管美国传统〔rectify〕Electronics To convert (alternating current) into direct current.【电子学】 把…整流：将（交流电）转化为直流电美国传统〔single-phase〕Producing, carrying, or powered by a single alternating voltage.单相的：由单向交流电压产生、装载或以单向交流电压为动力的美国传统〔synchronous motor〕A motor having a speed directly proportional to the frequency of the alternating-current power that operates it.同步电动机：与启动其交流电电源的频率直接成比例的速度的电动机美国传统〔volt〕Electricity in Britain is 240 volts, AC.英国的电是240伏特的交流电。剑桥高阶A diode is a type of semiconductor which is used in circuits to convert alternating current into direct current.二极管是一种半导体，用在电路中变交流电为直流电。剑桥国际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。译典通You may need a transformer if you want to run a personal stereo off mains electricity.如果你要用交流电源听随身听，你可能需要一个变压器。剑桥国际You use the rectifier (= electronic device) to change an alternating current to direct current.你使用整流器将交流电改变成直流电。剑桥国际 |
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