This unified view allows for precise retrieval of information and seamless enterprise integration, as business processes and various data sources can map to each other through a common meta-model.
采用这种统一的视图，我们就可以精确地检索信息，无缝地进行企业系统集成，因为业务处理过程和各种数据源都可以通过一种通用的元数据模型相互进行映射。
Including collection, deletion and edition of map meta information Realizing the function of layer information of maps statistics and querying.
实现了对图元信息的录入、删除和编辑；实现了对图层信息的查询统计功能。
The remote sensing datum, map datum, photo datum, document datum, DEM, and meta-data are included in the database.
数据库包括地图数据、遥感影像数据、文档数据、照片数据、数字高程模型以及各类数据的元数据信息。
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