A magnetic field applied to a small area of the skull creates weak electric currents that impede nearby brain cells' ability to fire normally, but the effect is only temporary.

作用于颅骨小部分区域的电磁产生微弱的电流，这种电流阻碍附近大脑细胞活动的能力，但是这种作用只是暂时的。

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Then, as the would-be rescuers tried to get her from her vehicle, "the currents changed and washed that vehicle away, " the fire chief said.

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Then, as the would-be rescuers tried to extract her from her vehicle, "the currents changed and washed that vehicle away, " the fire chief said.

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Helicopters hovered overhead, possibly delivering more supplies to the 3, 143 passengers and 1, 086 crew members trapped on the ship since the fire Sunday off the coast of Mexico left the vessel listing to the side and drifting in Gulf of Mexico currents.

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