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The article discusses the use of a fuzzy programming tool in designing a product recovery network. It references a study in the April 16, 2010 issue of the "European Journal of Operational Research," about the formulation of three fuzzy programming models based on credibility theory. It proposes the use of a hybrid intelligent algorithm to integrate the fuzzy simulation and the genetic algorithm. The algorithm's effectiveness and the models' solutions are illustrated.

The mesh data structure, one of the fundamental data structure within the parallel framework, its design and realization level have an effect upon parallel capability of the parallel framework. Through the architecture and the fundamental data structure within some typical parallel framework relatively analyzed, such as JASMIN, SIERRA, and ITAPS, the design thought of parallel framework is discussed. Through borrowing ideas from layered set of services design about the SIERRA Framework, and combining with the objective of PANDA Framework in the near future, this paper present the rudimentary system about PANDA framework layered set of services. On this foundation, detailed introduction is placed in the definition and the management of the mesh data structure that it is located in the underlayer of the PANDA framework. The design and realization about parallel distributed mesh data structure of PANDA are emphatically discussed. The PANDA framework extension and application program development based on PANDA framework are grounded on our efforts.