By the analysis of correlation between fighting ability of American force network center and geographical information grid, the structure and application of geographical information grid is explained.
通过分析美军网络中心战能力设想与地理信息网格的关系，阐释了地理信息网格的构成及应用。
Due to the huge amount, geographical distribution, diversity, autonomy and dynamics of resources in the grid computing environment, resource information services are vital in the grid software.
网格计算环境中的资源具有海量性、分布性、异构性、自治性、动态性等特点，因此资源信息服务成为网格软件的关键技术之一。
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