Ore plane, section and grade models have been set up based on MAPGIS software.
用MAPGIS建立起矿床的平面、剖面和矿石品位的模型。
This research selects factors according to the demand of urban land grading and section otherness in research area and sets up factors system effecting urban-grade between cities;
根据城镇土地分等的要求和研究区的地域差异性选择因素因子，从而建立影响城镇间土地等的因素因子体系；
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