一个条目树是一个重量级的对象，需要花时间去构建，并且它是一个您必须使用xml解析器才能解析的结构。

An item tree is a heavyweight object that takes time to build, and it is a structure you have to use an XML parser on.

youdao

换句话说，Web浏览器使用对象属性可以非常容易地更改树的外观和结构。

In other words, the Web browser can very easily change the appearance and structure of the tree using object properties like this.

youdao

因为返回的SOAPElement在底层具有对象层次结构，所以必须递归地处理树以获得实际的数据对象。

Since the returned SOAPElement has a hierarchy of objects underneath, you have to iterate through the tree to get the actual data object.

youdao