超级块在每个文件系统的根上，超级块描述和维护文件系统的状态。

At the root of each file system is the superblock, which describes and maintains state for the file system.

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根据源文件的结构和描述，一个源文件被分成一些子块，形成一棵分形树。

The source document is partitioned into range-blocks according to document structure and represented as a fractal tree.

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如果依赖文件不存在，并且未在另一个描述块中作为目标列出，则推理规则可以从具有相同基名称的另一个文件创建缺少的依赖项。

If a dependent file does not exist and is not listed as a target in another description block, an inference rule can create the missing dependent from another file with the same base name.

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