Fuzzy assessment model is used to assess eutrophic state of ten lake areas in Donghu Lake of Wuhan City.The resemblance between the object and the criterion is denoted by Hamming distance.

• 采用模糊评价模型对湖北省武汉市东湖10个湖区的富营养化水平进行评价,评价对象与标准对象的相似程度采取海明距离进行处理。