I mention them here because they do have one crucial use: they can help control access to state that's being stored on the server.

我在这里提到它们是因为它们有一个重要的用途：它们有助于控制对存储在服务器上的状态的访问。

youdao

I also describe how to build a pop-up dialog control that asynchronously retrieves the dialog content from the server when the dialog is displayed.

本文还将描述如何构建一个弹出对话框控件，它可以在对话框显示时从服务器异步检索对话框内容。

youdao

I also show you how to configure Acegi to interact with the directory server to implement your access control policy.

我还将展示配置acegi的方法，使它能够与目录服务器交互并实现您的访问控制策略。

youdao

To do most of the controlling I used this tiny little web server control box called the WACI NX.

ENGADGET: How-To Hacks finalist: Controlling your home with your PSP