However, this pattern is often applied when data sources with significant differences in the structure of data need to be integrated.
然而，当数据源中需要集成的数据在结构上具有显著的差别时，常常应用这种模式。
2
The data repository tier, or back-end tier, comprises all of the model artifacts and the full structure of the models, which handle integrated business data from all required data sources.
Thes detecting structure instrument of the roof rock is integrated in the pneumatic bolt drill and data processing is adopted BP algorithm of mature net to identify the structure.