例如，将算术运算符(如+)施加于某个元素时，该运算符会自动提取该元素的数值。
For example, arithmetic operators such as +, when applied to an element, automatically extract the numeric value of the element.
元素的阶是有限群中重要的算术量，它深刻地反映了有限群的整体性质。
To investigate how element orders influence the structure of a finite group is an important subject in group theory.
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