You may be familiar with snapshotting from Linux LVM; using snapshots, you can create an unchanging "view" of an existing filesystem, which comes in handy for backups.

您可能熟悉 Linux LVM 的快照；使用快照，您可以创建现有文件系统的不变“视图”，这对于备份很方便。

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Using a GUI to define a view for an existing XML schema, a developer can develop programs and make modifications repeatedly in short development cycles.

开发人员可以使用 GUI 为已有的 XML 模式定义一个视图，从而能够在很短的开发周期内开发程序和重复地作出修改。

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Note that this development scenario involves using Hibernate to present an object-based view of existing persistent data.

注意，这一开发场景需要使用Hibernate将已有持久性数据表示成基于对象的视图。

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