A satisfactory theory must be able to explain why in methane the HCH angles all have the characteristic tetrahedral value.
一个完满的理论必须能够解释甲烷中为什么所有hch角都具有四面体的特性值。
A satisfactory theory must be able to explain why in methane the HCH angles all have the characteristic tetrahedral value.
一个完满的理论必须能够解释甲烷中为什么所有hch角都具有四面体的特性值。
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