The former management of land (about cartography, HSDC, maps on map numbers, build data base is complete.) difficult due to the condition of information technical equipment, machinery, also many drawbacks, specialised staff and funding for this work should be managed by the books, using paper maps. Therefore, lead to more disadvantages, such as: BĐDC and HSĐC inconsistencies, updated tuning storage fluctuations were difficult, complex records, find information difficult, time-consuming ...
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