为什么同样是原子晶体,硅、二氧化硅就是硬而脆的,�刚石、碳化硅却是硬而耐磨的? 知乎 Template




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tomski为什么同样是原子晶体,硅、二氧化硅就是硬而脆的,�刚石、碳化硅却是硬而耐磨的? 知乎 coloring