甲烷的键角是 109°28,可以通过高中数学的立体几何或空间�量知识算出这个值吗? 知乎 Template




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tomski甲烷的键角是 109°28,可以通过高中数学的立体几何或空间�量知识算出这个值吗? 知乎 coloring