In this paper, the author point out the system construction of valve product engineering database, having builded engineering data organization mode of valve product.
针对阀门工程数据的特点，提出了阀门产品工程数据库的体系结构，以及建立工程数据库的阀门产品工程数据组织模式。
Therefore the research focusing on image catalog data expressing mode, data storage and organization and retrieval algorithm based on catalog data has great theoretical and practical significance.
因此，对影像编目数据的表达方式、存储组织以及基于编目数据的遥感影像检索算法的研究具有十分重要的理论和实际意义。
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