Even further, rsync will use a similar algorithm on individual files and only copy the portions of the file that have changed.

另外，rsync对各个文件使用相似的算法，只复制文件中修改过的部分。

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Nor is it possible to take advantage of the algorithm used by rsync to encrypt only the files that have changed since the last synchronization.

也无法使用rsync的算法只加密在上一次同步操作之后修改过的文件。

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The rsync tool copies an entire directory structure between locations, or machines, using a special algorithm that only transfers changes in the files.

rsync工具可以在不同的位置或计算机之间复制整个目录结构，它通过使用一种特殊的算法，可以实现仅传输更改过的文件。

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