半导体
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琦的意思及寓意，琪的意思及寓意男孩
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前言 硅是一种半导体材料，并且它具有 4 个价电子，并且与其他元素一起位于表中的周期性 IVA 组中，其中在优质导体与绝缘体之间，它的中价层电子是处于最优存在数量的。 自然界中没有…
