PDF(618 KB)
CONCEPTDESIGNMODELOFOBJECTORIENTED SPATIALDATABASEBASEDONPETRINET
LanXiaoji;HuChuan;XieXuyang;LongWenxing
Journal of Geodesy and Geodynamics ›› 2007, Vol. 27 ›› Issue (6) : 58-60.
PDF(618 KB)
PDF(618 KB)
CONCEPTDESIGNMODELOFOBJECTORIENTED SPATIALDATABASEBASEDONPETRINET
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