根主题可以作为集合的介绍和入口，提供关于集合内容最一般性的陈述。

As the introduction and entry point for the collection, the root topic provides the most general statement for the content of the collection.

youdao

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.

youdao

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.

youdao