把交流电转化成直流电是可能的。

It is possible to convert alternating current to direct current.

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通常的方法就是使用整流器---一种把交流电转换为直流电的装置。

The usual way to do this would be to use a rectifier—a device that converts alternating to direct current.

youdao

在电子技术中，把交流电转换成低电压直流电的一种电路。这种电路的输出是经过调整的，使它的噪声及电压波动都很。

In electronics, a circuit for converting AC voltage to low voltage DC in such a way that the output is regulated to minimize noise and voltage fluctuation.

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