The Repository Layer of the Business Intelligence Framework defines the functions and services to store structured data and meta data within DB2.
商业智能架构的存储库层(Repository Layer)定义了用于在DB 2中存储结构化数据和元数据的函数和服务。
The design of the Digital City is divided into four levels: basic layer, meta-data layer, the management application layer.
该设计中的数字城市分为四个层次：基础层、元数据层、管理层、应用层。
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