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南山暖性次生针叶林的Fuzzy数学分类余小平(重庆师范学院生物系,630047)FuzzyNumericalClassificationofWarmSecondaryConiferousForestatNansanMountain¥.YuXiaoping(DepartmentofBiology,ChongqingTeachers’College,630047);ChineseJournalofEcology,1993,12(4):23-26.Numericalclassificationsaremadef