Like CVS, Subversion is a centralized solution and USES the snapshot model.

与CVS一样，Subversion也是一种集中化的解决方案，采用的是快照模型。

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In the snapshot model, you can get revisions quickly, but you need more space to store them.

在快照模型中，可以快速获得修订，但需要更多的空间来存储它们。

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In the snapshot model, complete files are stored for the entire repository for each revision (with optimizations to reduce the size of the tree).

在快照模型中，整个存储库的每个修订(带优化以减少树的大小)的全部文件都被存储。

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