Direct current (DC) Direct current is current with no reversals in polarity.

直流直流是指没有正负极性往复变化的电流。

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The starter motor is a simple direct current (DC) motor which has a pinion gear attached to its shaft.

启动电机是一个简单的直流电机，在它的轴上有一个小齿轮。

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Heavy direct current (DC) measurement is a very important part of modern electric measurement.

直流大电流测量是现代电测量技术的重要内容。

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Inverters and microinverters convert the direct current (DC) power produced by solar panels into alternating current (AC) used in homes and businesses.

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The reserve power category includes backup batteries and related products that provide a continuous supply of direct current (DC) during power outages.

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