This article based on the grey fuzzy theory, builds mathematic model, combines SERVAUAL evaluation index and educes a new method to evaluate the service quality.

本文以灰色模糊理论为基础，建立数学模型，结合SERVQUAL评价指标，得出一种新的服务质量评价方法。

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The article analyses original methods of DGA fault diagnose, include three-ratio method, artificial neural network method, Fuzzy Theory, diagnosing expert system, grey relational algorithm, et.

本文分析了原有的DGA故障诊断方法，包括三比值法、人工神经网络法、模糊理论、变压器诊断专家系统、灰色关联算法等。

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The predictive models of fuzzy graph, nonlinear regression and with grey theory are set up from different aspects by analyzing the features of road traffic accidents.

通过分析道路交通事故发生的特点，从不同的角度，建立了模糊图模型、非线性回归模型及基于灰色理论的灰色预测模型。

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