在医学专家系统中，对时态信息的表示和处理是一个很重要的问题。
In medical expert systems, it is important to represent and deal with temporal information.
灰色系统预测法对时间序列的预测有较高的精度。
The grey system has a high precision for the time series prediction.
这一研究是对时变系统深层知识表示方法的新探索。
This study is a new research about deep knowledge representation of time-varied systems.
对时代超人发动机起动系的故障做了较为详细系统的分析。
The breakdown of time superman engine start system is analyzed in detail.
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.
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.
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