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.
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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