The fault phase selectors, including the phase current difference suddenly-change and the sequence current, may misoperate in some cross country faults and conversion faults.

研究表明相电流差突变量、稳态电流序分量等选相元件在发生某些跨线及转换性故障时会误选相。

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When no electricity is delivered, a voltage difference between the electrodes drives a current in the other direction.

当没有电流流通时，电极之间的电压差驱动电子反方向流动。

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Purdue University researchers are working with General Motors to build thermoelectric generators, which produce an electric current when there is a temperature difference.

珀杜大学的研究者们正在与通用汽车一道开发一种利用温差产生电流的热能发电机。

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An analysis of four studies found no difference in short-term survival when rescuers followed current guidelines.

VOA: special.2010.09.15

The current difference of 11.45 percentage points is the largest in at least 22 years, Synovate estimates.

WSJ: Credit Cards Are Exception to Lower Consumer Rates

"We believe that leadership is critical if Northern Ireland is to move away from a legacy of violence, deal with the current difference and move towards being a cohesive, integrated and diverse society, " the website states.

BBC: Scene of Enniskillen bomb in 1987

Of course, it is possible that in some cases something else could be driving the difference between current stock price and existing business cash flows.

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