可能两种都是，但每种的风格可能有所不同。

It may be both, and each might have a different tone.

youdao

1915年公园中有7中两栖动物，每种的数量都很丰富。

In 1915 there were seven species of amphibians in the park, and there were abundant Numbers of each species.

youdao

每种语言都有不同的元音系统。

Each language has a different vowel system.

《牛津词典》

What place can it occupy in each type of discourse, what functions can it assume, and by obeying what rules?"

它可以在每种话语中占据什么样的位置，它在遵循什么原则的情况下可以有什么样的功能？“

耶鲁公开课 - 文学理论导论课程节选

Many of them are not and, as William James points out, every animal, most animals, many animals love their children.

很多不可爱,正如威廉，詹姆斯指出的，每种动物，大多数动物，许多动物爱他们的孩子。

耶鲁公开课 - 心理学导论课程节选

We're going to build up this taxonomy if you like, but the reason it's relevant is, associated with each one of those types is a set of operators that expect certain types of input in order to do their job.

我们将会建立这种分类，但是这相关的原因是，对于每种类型都有,和之对应的一个操作集,这个操作机对一些输入,做出规定的操作。

麻省理工公开课 - 计算机科学及编程导论课程节选