spatial resolution of soil data 土壤数据空间分辨率
In the soil resource management information system based on GIS, the most basic operations are the operation of map, the attribute data inquiry and statistics and spatial data inquiry as well.
在基于GIS的土壤资源管理信息系统中，最基本的操作是对地图的操作、属性数据的查询和统计以及空间数据的查询。
Based on data of soil samples and supported by GIS technologies, this paper has discussed the relationship between origin of heavy metals in soils and spatial distribution in Xuzhou city.
为此，在土壤采样点数据基础上，利用G IS技术，对徐州市土壤重金属来源与空间分布关系进行了研究。
The error sources, types and the elements affecting the quality of the spatial soil conservation data has been analyzed, by the view of the error and quality of spatial data.
根据空间数据误差理论，对空间数据误差来源和种类、空间数据的质量要素等进行了研究。
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