It changes between a maximum and minimum peak voltage in order to generate the alternating current.

它在最大和最小峰值电压之间变化以产生交流电。

Now there's one more thing; the eel fires all of its electrocytes simultaneously to get maximum voltage and the scientists need to do the same.

现在还有一件事；鳗鱼同时发射它所有的电细胞以获得最大电压，科学家们也需要这样做。