异步可插协议提供三种将协议方案映射到类的方式。

Asynchronous pluggable protocols offer three ways to map a protocol scheme to a class.

youdao

可插协议允许你在新的协议方案基础上，提供能够被任何请求调用的新的协议处理程序。

Pluggable protocols allow you to provide a new protocol handler that will be called for any requests that use the new protocol scheme.

youdao

让我们说说已经介绍的新的协议方案和你的公司想要为ie4.0以上版本用户提供的支持。

Let's say that a new protocol scheme has been introduced and your company wants to provide support for users of Internet Explorer 4.0 and later.

youdao