而细观这些文献，我们会发现导致争论的原因主要来源三个方面：贫困概念定义的模糊，度量方法的不同以及理论模型的差异。
By reviewing the researches, the reasons of the disputing can be found: the ambiguous concepts, the diverse measurements and the different theoretic models.
人们将粗糙集理论与模糊集理论相结合，提出了粗糙模糊集模型和模糊粗糙集模型，并给出了相应的不确定性度量方法。
By combining fuzzy set theory and rough set theory, rough fuzzy set model and fuzzy rough set model were proposed, and the uncertain measurement approaches were established.
本文讨论了在知识工程中用来处理不确定性的各种模糊度量方法，并分析了它们之间的关系。这对于理解以及如何选用一个合适的不精确推理模型是十分有益的。
This paper discusses fuzzy measures adopted to deal with uncertainty and analyzes relationships among classes of fuzzy measures, which very much helps understand and select an inexact reasoning model.
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