Method Questionnaire and human capital method were used in calculation of economic burden of disease and the multi linear regression model was explored to analyze the factors.
方法菌痢患者的直接经济负担通过问卷调查获得，间接经济负担采用人力资本法估算，运用多元线性回归模型分析疾病经济负担的影响因素。
A hierarchical model of optimization selection is built through analysis of multi-influence factors to seepage control type selection.
通过对防渗类型选择的众多因素进行分析，建立了层次优选模型。
Traditional coiling temperature prediction model is difficult to get the high precision of prediction because of multi-factors.
影响卷取温度的因素多而且复杂，采用传统的温度预报模型难以达到较高的精度要求。
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