Based on full investigation and further research of DSM, this paper established comprehensive evaluation index system, adopting fuzzy mathematics and Grey Theory. It established evaluation matrix of ray fuzzy in grey statistics, defining the weight of evaluation index according to grey correlation analysis. Evaluating the effect of DSM according to maximum membership degree principle, furthermore, it can also reckon the fuzzy comprehensive evaluation value of evaluation object. From the application example we can illustrate the maneuverability of this evaluation model.
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