在三维有限元磁场中，如果对电流区域进行适当处理，采用标量磁位进行分析，与采用矢量磁位相比，可大大提高计算速度。
If using the scalar potential instead of the vector potential to analyze the current-carrying regions in a 3d magnetostatic field, the computing time can be greatly reduced.
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。
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.
这些电流促使思维区域分泌使大脑细胞生长或变异的化学物质。
The electric current triggers the area to produce chemicals that cause brain cells to develop or change.
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