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因此，当约翰·威廉·斯特拉特（瑞利勋爵）于1894年发现了一种不符合先前分类方案的气体元素时，人们感到相当惊讶。

It was therefore quite surprising when John William Strut (Lord Rayleigh), discovered a gaseous element in 1894 that did not fit into the previous classification scheme.

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你们的课本中将这些分类，作为一种特殊类型的冰川运动，但是你们会发现，将其作为一种冰川运动类型的教科书和忽略这种类型的教科书同样多。

Your textbook includes these as types, as a particular type of glacier movement, but you will see that there are as many textbooks that omit it as a type of movement as include it.

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So there are three main geographical subdivisions.

有三种主要的地理形态分类。

耶鲁公开课 - 旧约导论课程节选

What is inescapable is farmers are a sociological category of people, different from non-farmers in all kinds of critical ways, and it is just an example of how this whole business has disappeared.

不可否认的是,农业人口是一种社会学对人口的分类,和非农业人口是完全不同的,这只不过是,整个产业走向消亡的一个例子罢了

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