XPath

XPath queries support the contructs of Jaxen version 1.1, as it is implemented as document navigator against the NodeServce.
XPath查询支持Jaxen 1.1版本的构造，因为它是作为针对NodeServce的文档导航器实现的。

It has some JCR 170 specific extensions for functions, to support mutiple parents (which XML does not have), and to support sorting as required for JCR 170.
它有一些特定于JCR 170的函数扩展，以支持多个父级（XML没有这些父级），并支持jcr170所需的排序。

See XPath search using the node service for more information about XPath.