An event definition can also be bound to an event category that is used to define logical groupings of event definitions.

事件定义也可以绑定到事件目录，该事件目录用于对事件定义逻辑分组进行定义。

youdao

In this article, we have covered most of the APIs and requirements to build a new analysis provider from the ground up, including the definition of a category and rule.

在本篇文章中，我们已经学习了APIs，以及从底层构建新分析Provider需要的大多数方面，包括类别以及规则的定义。

youdao

Attributes extending the definition of the category itself, meaning the set of attributes for the category are expanded, but the set of attributes for the products in that category are not expanded.

扩展目录本身的定义的属性，这意味着扩展目录的属性集，但是不扩展此目录中产品的属性集。

youdao

And that may generalize again and it keeps going until you either get back to Adam and Eve, I guess. I don't think they were born in the US as far as I know, or you find somebody who satisfies that definition or you find that none of your parents actually are in that category.

降低到我的父亲或者母亲,是不是天生的美国公民呢,这个问题可以继续向下分解,你甚至可以追溯到亚当和夏娃的时候,据我所知它们并不是出生在美国的,或者你要么找到一个符合定义的人,要么发现你的父母都不满足条件。

麻省理工公开课 - 计算机科学及编程导论课程节选

Sources say the panel's new definition for planets would, in fact, create a third category embracing Pluto.

NPR: Dwarf Planets May Finally Get Respect