本文仅作简短介绍，因为事件目录本身需要更多的文章来描述用户如何添加、删除和查询事件定义和类型。

This article can only provide a brief introduction as the event catalog would on its own require a further article to describe how users can add, remove, and query event definitions and categories.

youdao

本文仅作简短介绍，因为事件目录本身需要更多的文章来描述用户如何添加、删除和查询事件定义和类型。

This article can only provide a brief introduction as the event catalog would on its own require a further article to describe how users can add, remove, and query event definitions and categories.

youdao