Some kinds of batteries can be recharged by connecting them to a source of direct current.

有些型号的电池在接入直流电源时就能充电。

《柯林斯英汉双解大词典》

The polarographic behavior of iodoacetic acid has been studied by using single sweep polarography, direct current polarography and cyclic voltammetry.

碘乙酸的极谱行为已通过单扫描极谱法，直流极谱法和循环伏安法进行了研究。

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Instead of swimming against the tide, against anything that does not satisfy you, use the strengths of the current to direct you and move faster in the direction of your dreams!

不是逆潮而游，与一些不能使你满意的事物顽抗，而是用你当前的力量导引你，使你在追梦的路上走得更快。

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He says the current interest in straw bale houses is a direct response to the problem of climate change.

VOA: special.2009.10.05

Their job is to convert high-voltage alternating current from the mains into low-voltage direct current for mobile phones, laptops, iPods and other electronic gadgets.

ECONOMIST: How a boring gadget saved $2 billion-worth of electricity

Since 2005, the company has stood out in the fast-moving LED industry with an innovation that allows LEDs to be powered by alternating current, or AC, rather than requiring a transformer that turns AC into direct current.

WSJ: Seoul Semiconductor's LED-Lighted Path

Siemens is also offering high-voltage direct current technology, but ABB is a step ahead.

FORBES: Magazine Article