
Data Model of Virtual Reality GIS and Its Implementation Based-on Active Object-Oriented Database System
XIE Chuanjie, MENG Xuelian, WAN Hongtao, YAO Changqing
Journal of Geo-information Science ›› 2002, Vol. 4 ›› Issue (4) : 43-49.
Data Model of Virtual Reality GIS and Its Implementation Based-on Active Object-Oriented Database System
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