本文利用集合套理论，将这四种映射扩展到模糊幂集之间的映射。

Making use of theories of nested sets, we extend these mappings on fuzzy power sets and obtain maximal and minimal extension principles.

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利用模糊集理论，引入了模糊幂格的概念，获得了模糊幂格及其模糊理想的若干基本性质，推广了格的结果。

Using fuzzy set theory, the concept of a fuzzy power lattice is introduced, some properties of the fuzzy power lattice and its fuzzy ideal are obtained, some results of lattice are generalized.

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