In this case, it has two child nodes.
本例中，它有2个子节点。
Next, you create two child nodes of word via two new queries.
接着，通过两个新的查询，创建word的两个子节点。
You can then go through child nodes until you find the photo node.
然后，您可以遍历子节点，直至找到照片节点。
Propagates the current behavior in the expression to child nodes.
将运算式中的目前行为传播到子节点。
All of the element's child nodes, including text nodes, are now available.
所有元素的子节点，包括文本节点，现在都是可用的。
But where exactly should you store the text that comes between child nodes?
但是您应该在哪里正确地存储子节点之间的文本呢？
They are used to retrieve the link and title child nodes of each item element.
它们用于检索每个itemelement的子节点link和title。
The author, publisher, and title nodes each have child text nodes that contain the text.
publisher和title节点分别有包含文本的文本子节点。
The author, publisher, and title nodes each have child text nodes that contain the text.
publisher和title节点分别有包含文本的文本子节点。
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