一旦数据库处于一致状态，用户就可以切换到备用数据库，以便继续他们的工作。
Once the database is in a consistent state, users can switch over to the standby database to continue their work.
德国阳光蓄电池在正常情况下处于静态存放、备用工作状态，为防止用户在完全不知情的情况下，由于市电供电中断而造成成。
Germany sunshine under normal conditions in the static storage, battery backup work status, to prevent the user's knowledge, in no caused by mains power outage.
备用功率：在紧急状态时，变动负载工作的情况下应急运行功率。
Stand-by power: in a state of emergency, changes in the work load of the emergency power to run. Alternatperformance.
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