在我们的系统之中，环境是一个封装的集合，内含gem和unix依赖、备份策略、待运行的应用以及其他用于实例化一个服务器或者一组服务器的信息。

In our system an environment encapsulates a set of gem and Unix dependencies, backup policy, applications to run and other information needed to instantiate a server or group of servers.

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如果部署中的一个或多个集合使用站点或子站点(而非网站集)作为其根站点，则您可能无法完全备份和还原这些集合。

If one or more collections in your deployment are using sites or sub-sites instead of site collections as their root site, you might not be able to fully back up and restore the collections.

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