Using the method of gray relevance analysis, an evaluating model of the rationality of maintain mechanism configuration was set up and developed relevant application software.
应用灰色关联度分析方法，建立了养护机械配置合理性评估模型，进行了算例分析，并开发了高速公路养护机械配置合理性灰色关联度分析应用软件。
Mathematics model of gray relevant analysis is used to study the main export industries and their relevance with international trade and to propose its leading industry in Heibei province.
尤其运用灰色关联分析的数学模型分析了河北省出口主要产业与外贸出口的关联程度，并在此基础上提出了确立主导产业。
Mathematics model of gray relevant analysis is used to study the main export industries and their relevance with international trade and to propose its leading industry in Heibei province.
尤其运用灰色关联分析的数学模型分析了河北省出口主要产业与外贸出口的关联程度，并在此基础上提出了确立主导产业。
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