In particular, since the new century come, the GIS theory has ripened relatively, and becomes the major tool of analysis of spatial information gradually.

特别是进入新世纪以来，GIS理论已较为成熟，逐渐成为空间信息分析的主要工具。

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This system is suitable for studying 3d spatial information, and its primary functions include: structure analysis of spatial information, kriging estimation and graphical display.

该软件系统适合三维空间信息的研究，基本功能分为三大部分：空间信息结构分析、克立格估值与图形显示。

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This side event will launch an initiative to establish a common spatial data framework for vulnerability analysis and adaptation planning, linking a wide range of relevant data using Geographic Information Systems (GIS).

UNESCO: Basic Sciences