Models of Spatial Data的意思|示意

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。

These techniques will influence speed querying data. variables and models of spatial analyst for forest ecological system selecting. model level conversion and efficiency of spatial analyst.

这些方法将影响数据查询速度、森林生态系统空间分析变量和模型的选择、模型尺度转换及空间分析效率。

Discuss the knowledge formalization method of river selection, two kinds of spatial knowledge data models are put forward and the rules of river selection are summed up.

分析了河系自动综合中的空间知识及其形式化方法，建立了组织河系空间知识的两种数据模型，总结了河流选取中的规则性知识。

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。

Based on data integration technique, direct transmittance models for different temporal and spatial scales were established and the accuracy of different models was analyzed thoroughly.

运用数据集群技术，建立了我国不同时空尺度直接透射率的估算模式，对比分析了不同模式的拟合精度。