英语词汇“alternating current”的读音、翻译、释义、用法及例句-语文网

词汇	alternating current
释义	alternating current 交流电（=AC）其幅度连续变化且其方向按正弦波方式改变的一种电流。交流电的标准频率各国有所不同，最普通的是50Hz。
随便看	preparator preparatory preparatory function preparatory school preparatory to prepare prepare against prepared prepared for preparedness prepare for prepay prepayment prepayment prepayment penalty prepd. prepense prepensely prepn. preponderance preponderant preponderantly preponderate preposition prepositional

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