此外，这两个文件系统都支持数据重复删除、内部数据保护(类raid保护)、数据和元数据校验和以及其他存储功能(如快照)。
In addition, both file systems support data de-duplication, internal data protection (RAID-like protection), data and metadata checksums, and other storage features (like snapshots).
它甚至有自己的内部存储，你可以把自己的PPT文件放进去，从而可以直接从该设备运行整个演示。
It even has its own internal storage where you can drop your PowerPoint files and run your whole presentation straight from the device.
Git使用内部索引跟踪文件的状态和存储库中的目录。
Git USES an internal index to track the state of the files and directories in a repository.
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