The beginning of a subgroup is identified by an h2 element.

子组的开始部分由h 2元素定义。

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Fruitarians are a subgroup of vegans who eat only the fruit of plants.

素食主义者是一群只食用水果和蔬菜之类的人。

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In this article, we refer to a group that is a member of another group as a subgroup.

在本文中，我们将另一个组的成员组称为子组。

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Does that make it sort of a subgroup of displacement?

升华是否属于移置的一种形式？

耶鲁公开课 - 心理学导论课程节选

H3N2 viruses are a subgroup of influenza A viruses, and they are known to adapt in humans.

CNN: CDC: Cases of new swine flu strain rising

H3N2 viruses are a subgroup of influenza A viruses and they are known to adapt in humans, Bresee said.

CNN: CDC: Increase seen in new swine flu strain

In addition, Tysabri use could be limited to a subgroup of MS patients called "relapsing remitting, " one of four main variations of the disease.

FORBES: The Tysabri Game Plan