GB/T 12409-2009
ActiveGeographic grid
地理格网
Application Summary AI generated
GB/T 12409-2009 defines a standardized geographic grid system for dividing Earth's surface into regular cells based on latitude and longitude, specifying rules for grid naming, coding, and hierarchical levels. It is applied in geographic information systems (GIS), mapping, spatial data management, and location-based services across industries such as surveying, urban planning, and environmental monitoring to ensure consistent spatial referencing and data integration.
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