...地理信息分类；语义集成；时空本体；语义网格 [gap=978]Key words: geographical information system; geo-ontology; reviews; geographic information classification; semantic integration; space-time geo-ontology; semantic grid ..
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The complexity of Geographic system determines the multi-semantic of geographic information and geographic information classification and coding is important GIS data organizations.
地理系统研究对象的复杂性决定了地理信息的多语义性，地理信息分类编码是地理信息数据组织的重要方式。
Classification and management of 3d models of ocean geographic information are implemented.
实现了海洋地理信息三维模型库的分类管理。
The classification and codes information of geographic features is usually expressed by different combination patterns of major and minor codes.
地理要素的分类代码信息通常以主代码和辅代码的不同组合模式来表达。
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