You can certainly do much more with traversal expressions .

当然您可以使用遍历表达式做更多的事情。

Defines recursive traversal properties of a role .

定义角色的递归遍历属性。

To control the focus traversal policy .

来控制焦点遍历策略。

Method to perform a customized traversal .

方法执行自定义的遍历。

You only need to understand the choices you have for link traversal behavior .

您只需理解您可以修改的链接遍历行为的选项。