采用车辙深度、横向裂缝长度和路面抗滑性能指数三指标，使用动态聚类法，划分预防性养护路段。
The preventive maintenance sections are divided by using dynamic cluster method and three indexes including rutting depth, transverse crack length and skidding resistance.
产出井产出剖面连续得到改善，产液指数下降幅度较大，见效时间较聚驱提前等动态变化特征。
The production profile of production well is continuously improved, the produced fluid index decreased rapidly, and the responding time is earlier the polymer flooding.
利用两个聚类效果评价指标模糊效果指数FPI和归一化分类墒NCE，确定了最适宜的分区数。
Performance index (FPI) and normalized classification entropy (NCE) were used to determine the optimum cluster number.
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