You've learned about two facets of traversing a document: the methods provided by QueryPath and the CSS3 selector support.
您了解了遍历文档的两个方面：QueryPath提供的方法和CSS3选择器支持。
You've learned about two facets of traversing a document: the methods provided by QueryPath and the CSS3 selector support.
您了解了遍历文档的两个方面：QueryPath提供的方法和CSS3选择器支持。
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