变更集模型与快照模型。

Changeset versus snapshot models.

youdao

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。

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

youdao

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。

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

youdao