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Concepts and Applications of Spatial Database for Geo-Archives Catalog

Concepts and Applications of Spatial Database for Geo-Archives Catalog
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摘要 The searching method of spatial information on traditional geo-archives catalog database(TGCD) is based on the text,and the result of retrieval can be only from the text of fields of relational database.The information queried must be input into the relational database as a text form in advance,otherwise,the visitors would not get any result from it.So。
出处 《地学前缘》 EI CAS CSCD 北大核心 2009年第S1期289-289,共1页 Earth Science Frontiers
关键词 SEARCHING method geo-archives CATALOG GIS SPATIAL DATABASE searching method geo-archives catalog GIS spatial database
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