中国陆壳既有三分结构也存在二分结构；

Secondly, China continental crust has not only trisection structure but also dichotomy structure.

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追溯语言学研究中“语言”与“言语”二分的历史渊源，对传统结构主义语言学重“语言”而轻“言语”的研究范式和后来的语用学派对这种范式的反拨分别进行述评。

After a review of the history of the dichotomy of "language" and "parole" in the study of language, this article criticizes the research paradigm of structuralists and that of pragmaticists.

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本文在追溯了语言学研究中“语言”与“言语”二分的历史渊源之后，对传统结构主义语言学重“语言”而轻“言语”的研究范式和后来的语用学派对这种范式的反拨分别进行了述评。

After a review of the history of the dichotomy of "langue" and "parole" in the study of language, this article criticizes the research paradigm of structuralists and that of pragmaticists.

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But since in drawing Lewis structures actually, in some cases you do, you can draw a dotted line that means a 1 and 1/2 bond, but most in most cases, we just draw out both resonance structures, and the way that we say it's a resonance structure is that we put it in the brackets and we put an arrow between it.

但是由于在画路易斯结构时,其实，在某些情况下是可以的，你可以画一条虚线来表示一又二分之一键，但是在多数情况下，我们就把两个结构都画出来，而我们说这是一个共振结构的表示的方法是,把它们放在括号里，并在中间放一个双箭头。

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