事件目录是事件元数据的存储库，它为用户提供指定事件定义的能力。

The Event catalog is a repository of event meta-data and provides the user with the ability to specify event definitions.

youdao

WebSphere Portal Server允许开发者实现和提供用户定义的定制标记库。

WebSphere Portal Server allows developers to implement and provide a user-defined customized tag library.

youdao

这个命令在模板定义中自动包括了所有用户定义表，并排除了数据库中定义的视图和内部表。

This command automatically includes all the user-defined tables in the template definition and excludes the views and internal tables defined in the database.

youdao

It's defined in CS50's library; its sole purpose in life is to ask the user for a floating point value and return it.

它被定义在CS50的函数库中，它的唯一目的是,向用户询问一个浮点数的值，然后返回它。

哈佛公开课 - 计算机科学课程节选