But it's also a handler, one that can deal with any standard SAX event simply by switching hats, taking on its parser role, and passing the event on to the next handler.

但同时也是一个处理程序，在承担解析器角色的同时，也能通过开关帽子处理任何标准SAX事件，并把事件传递给下一个处理程序。

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This paper introduces how to use the concept of Role Inverse Algorithm in order to build syntactic parser in the various information resources based multi-lingual question answering system.

该文介绍了如何将角色反演算法的思想用在多信息源多语种问答系统中来构建句法分析器。

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