Offline backup is the backup of all the physical database files after a normal database shutdown.

脱机备份是正常关闭数据库之后，对所有物理数据库文件执行的备份。

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Upon database startup after an abnormal database shutdown, recovers any jobs that were running.

数据库异常关闭后，重起时，恢复关闭时的任何作业。

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However, the pages will need to be written to disk at some point, which could be as late as during database shutdown.

然而，这些页需要在某一时刻写到磁盘上，这个时刻可能会在数据库关闭时才会轮到。

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