Based on the principles of fuzzy mathematics, this paper established the fuzzy comprehensive assessment model of the quality of DLG, one of the 4d products.
本文以模糊数学的原理为基础，建立了“4d”产品之一的DLG产品质量的模糊综合评价模型。
The application process that index risk assessment and the fuzzy comprehensive assessment method are applied to safe management of city gas pipeline is given.
详细阐述了指数评价法和模糊综合评审在城市燃气管网风险评价中的应用过程。
It is indicated by the results of a case use that the results of the improved fuzzy method are more reasonable than those of the fuzzy comprehensive assessment model.
实例应用结果表明，与广泛采用的模糊综合评判模型相比较，本文提出的评价方法得到的评价结果更为合理可靠。
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