a gray-relation analysis 灰色关联分析
gray relation analysis gra 灰关联分析
gray relation analysis model 灰色关联分析模型
gray relation analysis method 灰关联法
gray relation grade analysis 灰色关联分析
gray relation grades analysis 灰色关联分析
gray dynamic relation analysis 灰色关联动态分析
gray relation main factor analysis 灰关联主因子分析
analysis of gray relation grade 灰色关联度分析
The approaches of the quantitative geography includes:Linear regression analysis,Stage equal growth analysis,Gray syetem analysis,Gray relation analysis,Principal components analysis.
本篇论文用到的数量地理方法有:阶段平均增长分析法、一元线性回归分析法、灰色系统模型分析法、城市首位度分析法、灰关联分析法、纳尔逊统计分析法、主成分分析法。
参考来源 - 伊朗城镇体系研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Then discovers using the Gray Relation Analysis method corrodes the influence big factor to the casing steels, in order to take the effective protective measure.
然后利用灰色关联分析法找出对套管腐蚀影响较大的因素，以便采取有效的防护措施。
This paper analyses the principal and subordinate relationship between groundwater pollution indexes by using pollution load ratio and gray relation analysis method.
运用污染负荷比和灰关联法递阶分析了矿山地下水污染物的主从关系，确定了矿山地下水的主要污染指标；
Gray degree relation analysis is advanced according to the grey features of rock body steadiness grading. It is proved scientific, reliable, simple and easy to conduct according to the practical data.
根据岩体稳定性分级的灰色性，提出了岩体稳定性分级的灰色关联分析法，并经实测数据进行验证，说明此方法是科学可靠的，且简单易行。
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