The rheologic model of three-phase foam drilling fluid can be optimized with grey correlation analysis method. 三相泡沫钻井液流变模式可通过灰色关联分析法进行优选。
Based on the qualitative analysis, this research makes a further exploration for the dynamic mechanisms of urbanization of Urumqi Region. 在此基础上，采用多因素的灰色关联分析，对区域城市化动力机制作了进一步的探索研究。
