Original Return Node 原始返回节点
The return node of the snippet is the operation response.
该代码片段的返回节点是操作响应。
Most XPath expressions, especially location paths, return node-sets.
多数 XPath 表达式，特别是位置路径，都返回节点集。
They are lightweight databases with minimum overhead since they simply return the node and member Pointers requested by the application.
它们是系统开销最小的轻量级数据库，因为它们仅仅返回应用程序所请求的节点和成员指针。
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