使用自定义标签库在视图根中构造组件树。

Using custom tag libraries to construct the component tree in the view root.

youdao

XML Infoset与树结构非常相似，而且易于构造不是树的图(只需以不产生明显的根节点的方式连接节点)。

The XML Infoset is very similar to a tree structure and it is easy to construct a graph that is not a tree (just connect the nodes in such a way so that there is no obvious root node).

youdao

因为一个XML文档必须一直有一个唯一的根元素，所以Document将Element放在它的构造器中。

Because an XML document must always have a single root element, document takes the element in its constructor.

youdao