这项专利的快速备份单元(RBU)提供快速访问到最新的编程软件，轻松存储单独编程的数据。

This patented rapid backup unit (RBU) provides fast access to up-to-date programming software and easily stores individually programmed data.

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例如，作为管理员，您可以使用这个空间来创建快速备份，或对现有的数据进行压缩而无需为达到该目的使用辅助文件系统。

For example, as an administrator, you could use the space to create a quick backup, or to compress existing data without having to use a secondary file system for the purpose.

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如果试图在某个特定的时间点制作数据的快速备份(卷影副本)，则电子邮件事务仍然可能在备份进行的过程中发生。

If you try to make a quick backup of the data at a particular point in time (a shadow copy), E-mail transactions may still occur while the backup is progressing.

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