Unlike atom-thick slices, where the electrons travel around the edge, in this case layers of electrons should circle a non-conducting interior like a ribbon encircling a birthday present.
与电子只在边缘移动的一个原子厚度的薄片不同，上诉情况下一层层的电子绕着不导电的内部区域流动，就像缎带绕着生日礼物一般。
Unlike atom-thick slices, where the electrons travel around the edge, in this case layers of electrons should circle a non-conducting interior like a ribbon encircling a birthday present.
与电子只在边缘移动的一个原子厚度的薄片不同，上诉情况下一层层的电子绕着不导电的内部区域流动，就像缎带绕着生日礼物一般。
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