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Description: GDF4.0标准是电子地图的空间数据标准，是国标《导航地理数据模型及交换格式》的原型-GDF4.0 standard electronic maps of spatial data standards, GB is the "navigation geographic data model and exchange format" prototype
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Size: 2960623 |
Author: 王祖钰 |
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Description: GDF4.0标准是电子地图的空间数据标准，是国标《导航地理数据模型及交换格式》的原型-GDF4.0 standard electronic maps of spatial data standards, GB is the "navigation geographic data model and exchange format" prototype
Platform: |
Size: 2960384 |
Author: 王祖钰 |
Hits: