当光正面打到太阳能电池上，电子开始流动，并直接形成电流。
When light strikes the active area of a solar cell, electrons start flowing, and a direct electric current is produced.
有磁性流动指示器。将该装置引入，移动电子，流动开始。这种流动引导自由电子进入装置。
There are magnetic flow directors. When you engage the device, you shift the electrons and a flow is initiated. This flow inducts free electrons into the device.
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