Recoverability is another interesting principle being explored. This encompasses not only backup of work, but also providing children with an intuitive way to fall back to a known system state.

而可恢复性则是另一个十分有意义的设计原则，它不仅仅是指所做工作的备份，更是为孩子们提供了一种回落到已知系统状态的直观方式。

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If you mean it as a backup and an opportunity to return to the old state, remember that the version control system does that better.

如果你是想有一个备份用来恢复，那么记住版本控制系统做这个更加在行。

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The backup on the split mirror system will be capturing the state of the database containers on the source system at the time that the split occurred.

当发生分割时，分割镜像系统上的备份将捕捉源系统上的数据库容器的状态。

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