备份 Backup
（重定向自Backup storage）
在信息技术与数据管理领域，备份指将文档系统或数据库系统中的数据加以复制；一旦发生灾难或错误操作时，得以方便而及时地恢复系统的有效数据和正常运作。最好将重要数据制作三个，或三个以上的备份，并且放置在不同的场所，以利日后回存之用。
Backup storage
中文百科
英语百科
Backup 备份
（重定向自Backup storage）
In information technology, a backup, or the process of backing up, refers to the copying and archiving of computer data so it may be used to restore the original after a data loss event. The verb form is to back up in two words, whereas the noun is backup.
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