在定性指标的量化处理中，引入集值统计分析，减少了评价过程中的不确定性。
During quantifying the qualitative indexes, set-valued statistic analysis is introduced, which reduces the uncertainty of the assessment.
并以开发过程中产生的产品概念设计方案集为对象，建立了评价选优的指标体系和基于模糊优选理论的决策模型。
Evaluation and selection of conceptual design schemes are of importance in the procedure, so the index system of evaluation is built and then fuzzy optimization based decision model is discussed.
并以鄱阳湖为例，运用物元理论进行指标体系生成的发散过程，形成了初始指标集。
As a case study of Poyang Lake, the divergent process of the indicator system formation has been made to establish the initial indicator set by using the matter-element theory.
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