在利用模糊数学评价法分别进行初步评价的基础上，最后进行太原盆地土壤质量综合评价和污染等级分类。
On the basis of preliminary evaluation with Fuzzy Mathematics method, we achieve the comprehensive evaluation of soil quality of Taiyuan Basin and classify the contaminative grades finally.
该方法改进了基本的整体离散化算法，并利用农业专家系统中的土壤分类数据对算法进行了验证。
Finally, the algorithm can improve the basic global discretization method, and is tested on the soil sorts data of agricultural expert system.
反映土壤理化性质并影响土壤利用管理的颗粒大小级别、矿物学类型和土壤温度级别是理想的土族分类标准；
Three soil characteristics are selected as family classification criteria. They are particle-size class, soil mineralogical type and soil temperature regime.
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