XPath 2.0引入了序列的概念，序列是一种有序列表，可以包含零个或多个值—节点、整数、字符串等等。

XPath 2.0 introduces the concept of a sequence, which is an ordered list of zero or more values - nodes, integers, strings, and so on.

youdao

XPath 2.0引入了序列的概念，序列是一种有序列表，可以包含零个或多个值—节点、整数、字符串等等。

XPath 2.0 introduces the concept of a sequence, which is an ordered list of zero or more values - nodes, integers, strings, and so on.

youdao