双层规划能有效地描述具有递阶层次结构的决策系统。
Bilevel programming models can be used efficiently to describe the hierarchy decision system.
根据巢湖水域渔业生态环境的特点，建立了渔业环境优劣评价体系的递阶层次结构。
This paper sets the hierarchy of assessing fishery eco-environment advantage or disadvantage on the basis of the characteristics of Chaohu Lake fishery waters.
通过建立递阶层次结构模型、构造判断矩阵、权重计算及一致性检验，把一系列因素进行了定量化处理。
The related factors were processed quantitatively through constructing hierarchical structure model, establishing judgment matrix, calculating weight, and testing consistency.
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