However, the subject of this article is XPath, a query language designed for querying XML documents.
但本文的主题是XPath，一种为查询XML文档而设计的查询语言。
XQuery is a powerful query language, specifically designed for querying XML data.
XQuery是一种强大的查询语言，专为查询XML数据而设计。
XQUERY: The native language for querying XML documents.
XQUERY：用来查询XML文档的本机语言。
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