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。
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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