根据表中数据发生改变的速度，调整RUNSTATS的频率。

Adjust the frequency of RUNSTATS depending on how fast data is changing in a table.

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根据RUNSTATS在该表上完成运行的速度，调整RUNSTATS的频率和细节。

Adjust the frequency and detail of RUNSTATS depending on how fast it takes to complete the run for the table.

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针对列车运行图调整频率高、人工编排时刻表效率低的问题，开发一个具有自动生成和智能排版功能的列车时刻表编排系统显得十分必要和极为迫切。

Here are several existing problems for train timetable scheduled, Such as the adjusting of the train diagram, the low efficiency of scheduling train timetable in artificial method.

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