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[期刊论文] 作者:SHI Wenzhong,WU Huayi,
来源:自然科学进展 年份:2004
Probability theory faces difficulties when it is applied to describing uncertain objects in geographic information system (GIS). This is mainly due to the fact...
[期刊论文] 作者:Wu Huayi,Wang Yandong,Gong Jia,
来源:地球空间信息科学学报:英文版 年份:1999
Polygonal object is a fundamental type of geometric data in vector GIS. The key step of cleaning topological relationship after data collection of polygonal lay...
[期刊论文] 作者:GONG Jianya,WU Huayi,ZHANG Tong,GUI Zhipeng,LI Zhenlong,YOU Lan,SHEN Shengyu,
来源:黑龙江科技信息 年份:2012
本文通过对荣华二采区10...
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