1已知晶体硼的基本结构单元是由硼原子组成的正二十面体如图Ⅰ其中有20个等边三角形的面和一定数目的顶点每个顶点上各有1个硼原子.通过观察 Template




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tomski1已知晶体硼的基本结构单元是由硼原子组成的正二十面体如图Ⅰ其中有20个等边三角形的面和一定数目的顶点每个顶点上各有1个硼原子.通过观察 coloring