在此基础上，使用热备份，可执行递增和累积备份。
On top of that, with hot backup, you can perform both incremental and cumulative backup.
要从递增式备份中还原，只需完成以下两步。
To recover from the incremental backup, there are only two steps to follow.
要从递增式备份中还原，只需完成以下两步。
To recover from the incremental backup, there are only two steps to follow.
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