大地测量与地球动力学
 
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  2007, Vol. 27 Issue (6): 58-60    DOI:
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CONCEPTDESIGNMODELOFOBJECTORIENTED SPATIALDATABASEBASEDONPETRINET
LanXiaoji;HuChuan;XieXuyang;LongWenxing
1)CollegeofArchitectureandMappingofJiangxiUniversityofScienceandTechnology,Ganzhou 341000 2)DepartmentofTrafficEngineering,SichuanCollegeofArchitecturalTechnology,Deyang  618000
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