持有对这些域对象的引用的是树查看器本身，它把这些域对象作为参数传递给内容提供程序中的各个方法。

It is the tree viewer that holds on to them itself and passes them as arguments to each method in the content provider.

youdao

与前面的方法相似，但是它给出两个附加的参数来指定访问选项，以及遍历将访问文件树中的多少个目录。

Is similar to the preceding method but gives you two additional parameters to specify visit options and how many directories deep into the file tree the traversal should go.

youdao

目前，该方法接受解析树（作为一个 XPathNode 对象）作为参数，并返回 DFATable 的实例。

The method accepts a parse tree (as an XPathNode object) as parameter and, for now, returns an instance of DFATable.

youdao