堤防工程的风险管理问题研究对于堤防的正常运行和有效防洪都非常重要，对于其具体的方法研究和理论应用已得到国内外专家的重视。

Levee engineering risk management issues at home and abroad has been a high priority, but for their specific methods have not been thoroughly studied and theoretical progress.

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基于模糊理论的造纸专家系统(PMES)的研究对于保障设备的稳定运行，提高产品质量具有重要的意义。

The study of papermaking expert system based on fuzzy theory (PMES) has important meanings for ensuring steady operation of equipment and improving product quality.

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分析研究采用专家法、无量纲化方法和加权分析法进行计算，得出理想成本及运行收益的数值。

By means of a comprehensive calculation which uses the expert method, no-dimension analysis and weighted analysis method reaches an ideal cost and operation income analysis result.

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