With the deep and wide application of GIS, it becomes more important and outstanding for the metadata of spatial data.
随着GIS应用的深入和广泛，空间数据元数据的重要性愈加明显和突出。
Outline the primary capacity - building needs for strengthening the application of metadata standards for geo-spatial data.
请说明加强在地理空间数据方面运用元数据标准方面的主要能力建设需要。
Spatial data Grid derived from data Grid. In the dissertation, the key technology of Spatial data Grid, including metadata catalog, data broker and Grid Spatial Database are studied.
空间数据网格来源于数据网格，本文对它的关键技术-元数据目录、数据代理和网格空间数据库进行了探讨研究。
The metadata catalog and data broker of Spatial Data Grid integrate the metadata catalog of grid to offer an uniform logical view for the client, Thus realize the cooperation of catalog server.
空间数据网格通过元数据目录和数据代理，将网格环境下的目录服务器的元数据目录集成到一起，为客户端提供空间数据的统一的逻辑视图，实现目录服务器的协同；
The geo-metadata query system is an important component of the spatial data exchange center.
地理信息元数据查询系统是空间数据交换中心的重要组成部分。
The contents of a perfect traffic accident information spatial-database should include three parts, i. e. spatial-database, influential factors database and database of metadata and data dictionary.
探讨了完备的交通事故信息数据库的内容构成，认为应包括空间数据库、影响因素数据库以及元数据和数据字典库三大部分；
Metadata is the efficient pass of spatial data sharing.
元数据是实现数据共享的有效途径。
Metadata is the efficient pass of spatial data sharing.
元数据是实现数据共享的有效途径。
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