We saw a similar thing as we saw electrons move from different levels.
这与我们曾经见过的,不同能级之间的跃迁很类似。
Both holes and electrons can move around within them.
空穴和电子均可在其内部运动。
The positive charges do not move about; but the electrons do.
正电荷不能到处移动，可是电子却能到处移动。
The positive charges do not move about; but the electrons do.
正电荷不能到处移动，可是电子却能到处移动。
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