熟悉文档对象模型(DOM)可以帮助理解节点的概念，但不是必需的。
Familiarity with the Document Object Model (DOM) is helpful for an understanding of nodes, but is not required.
因为从树形结构来看，工作区模型非常类似于XML文档，所以XPath是查找节点的理想语法。
Because the workspace model is a lot like an XML document in that it is a tree structure, XPath is an ideal syntax for finding nodes.
另一方面，象Infoset (XML文档中信息节点的正式模型)这样的重要规范应该建立在此基础上。
On the other hand, important specifications such as the Infoset (a formal model of the information nodes in an XML document) should be established at the foundations.
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