As you can see, the file traversal is depth first but not necessarily in any alphabetical order within a directory.
正如您所见到的，该文件是深度优先遍历，但不一定在任何目录内按字母顺序来进行。
2
This is analogous to the way that procedures in programming languages can be nested within other procedures to any desired depth.
这跟编程语言中的过程类似，它能根据你想要的深度进行嵌套的调用。
3
Blog communities represent an aggregation of individual blogs giving readers an overview of the breadth and depth of content and knowledge within a group.