When you mount a filesystem over an existing directory, the files on the filesystem you are mounting become the files and subdirectories of the mount point.

当您在一个已有目录上安装一个文件系统时，您将要安装的文件系统上的文件就变成了挂载点的子目录和文件。

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And while loading a file three directories down and one directory over doesn't take much time, finding that file sure can.

而且，将一个文件向下加载三个目录和向上加载一个目录不会耗费太多时间，查找此文件却需要很多时间。

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There are a few other reports: One shows the average file size, another shows how the code is distributed over the directory tree, and another shows which files were revised the most.

还有其他一些报告：一个报告显示了平均文件大小，另外一个显示了如何通过目录树分布代码，还有一个则显示了哪个文件的版本改动最多。

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For example, management of the Active Directory is distributed over three MMC tools.

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