一些人利用这里的方程，取代平衡常数。

And some people use that equation here instead of equilibrium constant.

youdao

讨论了气态摩尔标准生成焓与取代基常数间的线性关系。

The linear relationship between the gas phase standard enthalpies of formation and the substituent constants is discussed.

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常数是个取代不会变动的数字或字串的有意义名称。

A constant is a meaningful name that takes the place of a number or string that does not change.

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We can make some substitutions here using some of the derivation on the previous board which will give us the Planck constant divided by 2 pi mass of the electron times the Bohr radius.

在这里我们也可以,用我以前在黑板上写过的一些词来取代它,得到的是普朗克常数除以2π电子质量,再乘以波尔半径。

麻省理工公开课 - 固态化学导论课程节选