The conceptual modeling elements and mutual relations between them are discussed and some key technical problems are identified in the development of feature based temporal - spatial data models.

讨论了基于特征的概念模型要素及相互关系；提出了基于特征的时空数据模型所面临的关键技术。

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Using the climatic data recorded by the 90 weather stations in Guangxi in 30 years and geographic information of the stations, spatial analyzing models of division index are built.

利用广西90个气象台站30年的气候资料和台站地理信息，建立了区划指标的空间分析模型。

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By analyzing the characteristics and requirements of E-government data management, the comprehensive data models of spatial decision-making for E-government is put forward.

本文通过对电子政务数据特点和处理要求的分析，提出了电子政务空间辅助决策综合数据模型。

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