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vector data model
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vector data model
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矢量数据模型
释
vector data model
矢量数据模型
数据库系统中用以提供信息表示和操作手段的形式构架。适用于表达按对象模型抽象的地理空间。
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pasture water deficit
pasture water requirement
pasture water supply
pasturing and soiling forages
PAT
patagium
Pa Ta Shan Jen
Patatson National Park System Pilot Site
Pat Barker
patch
patch advertisement
patch antennas
patchboard
patch clamp
patch-clamp recording
patch clamp recording technique
patch cord
patch-corridor-matrix model
patched conic approximation
patched document
patchiness distribution of marine organisms
patching condition
patchouli alcohol
patch panel
patch plug
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