事件发生使得系统状态进行转移 ，事件历史中事件变更对时态数据库具有很重要影响。

The event modification in the event history has the important influence on the temporal database.

youdao

事件发生使得系统状态进行转移 ，事件历史中事件变更对时态数据库具有很重要影响。

The event modification in the event history has the important influence on the temporal database.

youdao