GB/T 20258.3-2006
AbolishedData dictionary for fundamental geographic information features - Part 3：Data dictionary for fundamental geographic information features of 1:25 000 1:50 000 1:100 000 scale
基础地理信息要素数据字典 第3部分：1:25 000 1:50 000 1:100 000基础地理信息要素数据字典
Application Summary AI generated
This standard defines a data dictionary for fundamental geographic information features at scales of 1:25,000, 1:50,000, and 1:100,000. It is applied in the creation, management, and exchange of national topographic databases and geographic information systems (GIS) in China. The standard ensures consistent naming, classification, and attribute definitions for features like roads, rivers, and administrative boundaries across medium-scale mapping projects.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.