Methods 27 species of Acaroid mites were isolated from 19 grain species in 3 groups of grain stocks with the stratified sampling; Two fuzzy matrixes was founded for classification.

  • 方法从19种粮食中分离出的粉螨经软划分法建立模糊相似矩阵后,采用直接编网分类和带权重αi编网分类。

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