You can easily customize it to show the navigation in a flat list or in a tree hierarchy of varying depth.

您可以轻松对它进行自定义，以在平级列表或在具有不同深度的树层次结构中显示导航。

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We now have a fast, easy way to upload files from a local directory tree of any depth to a remote server.

现在我们有了一个从任意深度的本地目录树上载文件到远程服务器上的快速、方便的方法。

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Performs a depth-first walk of the input tree, this is the same depth-first algorithm you learned in programming 101.

对输入树进行深度优先的遍历，这和您在编程101中所学的深度优先算法没有什么不同。

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It is true, they say, that tree roots can trap sliding soil but only for shallow landslides of up to a metre in depth.

ECONOMIST: Deforestation and floods