An approximation function of the fractal image regardless of black and white or colour can be considered as a fuzzy set. So the research of iterated fuzzy set system (IFZS) is necessary.

分形的黑白图象和彩色图象之逼近函数可以看作一个模糊集，因此对迭代模糊集系统IFZS的研究是极有必要的。

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This paper uses the fuzzy system analysis to set up a regional L. R-L. P model, forecast with the parameter of the model and provide an auxiliary method.

本文用模糊系统分析的方法，建立一个地区的L.R— L.P模型，利用模型的参数进行预测，提供一种辅助方法。

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This paper studies the addition model SAM in fuzzy system standard and analyzes the set function in the model.

对模糊系统标准可加性模型SAM进行研究，就其模型中的集合函数进行分析。

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