Graphical output directly displays on-line measuring results and is good for analysis and adjustment of a processing and production line.
图形化输出直观地显示在线测量结果，利于对加工生产线的分析和调整。
The Backward function is important for the whole analysis while we use an On-Line Analytical Processing (OLAP) system.
该文论述了用户使用联机分析处理（OLAP）系统时，回退功能对整个分析过程所具有的重要意义。
The system has the data analysis processing function, which can provide the first-hand data of the train running status, the line condition analysis and the vehicles design and the maintenance.
提供数据分析处理功能，为列车运行状态、线路状态的分析和车辆设计及维护提供了第一手数据。
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