This is to be expected, because you are defining the specification in a service interface for how a service user and provider interact.

这在意料之中，因为您为用户与提供商怎样就服务进行交流，在服务接口中定义了规范。

youdao

The locale is a parameter defining the language that should be used in the application's user interface.

本地语言环境是一个参数，用来定义应用程序用户界面应该使用的语言。

youdao

Defining the application user interface in MXML.

用mxml定义应用程序用户界面。

youdao

The iPhone's strength lies in the overall experience, including its user interface and applications, and the screen's size wouldn't be its defining feature, he said.

WSJ: Apple Moves to Increase iPhone Screen Size