位置不确定性的图形描述为评价位置观测数据的质量提供了可视化的方法。
The graphical representation of positional uncertainty provides the assessment of the quality of positional data with a visual means.
土地资源图是土地资源综合评价的图形记录。
The land resources map is a graphic record of a comprehensive appraisal of land resources.
介绍了适用于油气资源评价的基于GIS的图形数据库。
A graphic database based on GIS for oil and gas resources assessment is introduced in this paper.
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