sub-,分支，分部，分，directory,目录。

1. Create a subdirectory for each database, to store the backup files.

为每个数据库创建子目录以便存储备份文件.

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2. Leave blank or enter a subdirectory off the root.

留空或输入一个子目录了根.

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3. The directory is not a subdirectory of the root directory.

目录不是根目录下的子目录.

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4. Each directory Rongbu Xia , further subdivided into a subdirectory.

每个目录容不下时, 再细分成子目录.

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5. The file name for the extension may not include subdirectory elements.

扩展的文件名不能包含子目录元素.

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[ subdirectory 造句 ]