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电压ac和dc有什么分别？ac：alternating current 的英文缩写，意思是交流电，比如ac220v，就是表示交流220v电压；dc：direct current 的英文缩写，意思是直流电，比如dc5v表示直流5v电压。扩展资料：电压（voltage） 以“═”区分系列，以“_”在系列内细分。 剧集仅标注首季播出时间。 电影从《超人》 (1978)算起；剧集从《超人前传》 (2001)算起；动画电影从《超人：毁灭日》 (2007)算起；动画剧集（含衍生）从《蝙蝠侠》 (1992)算起；动画短片从《幽灵》 (2010)算起；乐高从《乐高蝙蝠侠大电影：dc英雄集结.
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