... aggregation bias 综合偏倚 aggregation of variable 变量归并 Airy differential equation 艾里微分方程 ...
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变量的归并 aggregation of variables
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根据区域地质、成矿等特征,构置待选勘查基地特征地质变量,并按其性质、可比性等进行划分与归并,建立变量递阶层次模型。
The geologic variable of the character of prospective base to be selected is set up according to the character of the regional geology and metallogeny etc.
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