最重要的一点是XPath表达式只能引用名称空间前缀限定的元素和属性名。
Foremost among them is that XPath expressions can only reference namespace-qualified element and attribute names by the use of namespace prefixes.
最重要的一点是XPath表达式只能引用名称空间前缀限定的元素和属性名。
Foremost among them is that XPath expressions can only reference namespace-qualified element and attribute names by the use of namespace prefixes.
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