中文摘要：

阐述了多尺度空间数据不确定性的研究意义,分析了空间数据多尺度表达不确定性的来源、研究内容、关键技术,最后从空间数据多尺度表达不确定性的研究历程、相关问题、分类及其可视化4个方面综述了空间数据多尺度表达不确定性的研究动态.

英文摘要：

The significance of research on uncertainty of multi-scale spatial data was discussed from four aspects,and sources of uncertainty,research contents,key technology on uncertainly of multi-scale spatial data were explored respectively.Finally its research trends were reviewed from the four aspects including research course,related issues,classification and visualization.