可以将从非自动存储数据库创建的备份镜像恢复到自动存储数据库系统，但是反之则不行。
You can restore a backup image taken from a non-automatic storage database into an automatic storage database system, but not the opposite.
可以将32位系统上创建的备份镜像恢复到64位系统，但是反之则不行。
You can restore a backup image taken on a 32 bit level system into a 64 bit level, but not the opposite.
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