由根节点开始，并依据每个节点到其他节点的关系，向导为每个节点选择适当的模式。
The wizard selects an appropriate pattern for each node, starting from the root node and following the relationships on each node to other nodes.
和XPath 1.0相比，XPath 2.0中节点测试的语法更加一致，并在节点选择中加入了对模式敏感(schema - aware)支持。
In XPath 2.0, the syntax for node tests is more consistent than it was in XPath 1.0 and is enhanced to include schema-aware support in node selection.
工艺设计知识的表达不存在普遍通用的表达模式，而必须根据各类工艺知识的结构特点选择适合的知识表达方法。
There is no universal pattern in representing process planning knowledge and the pattern must be chosen according to the feature of various knowledge.
工艺设计知识的表达不存在普遍通用的表达模式，而必须根据各类工艺知识的结构特点选择适合的知识表达方法。
There is no universal pattern in representing process planning knowledge and the pattern must be chosen according to the feature of various knowledge.
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