However, the information system's structure and the structure of data sources are different, so that these systems' data exchange and integration encounter obstacles.
但由于这些信息系统的架构，数据源的结构不尽相同，使得这些系统间的数据交换和集成遇到了障碍。
However, the information system's structure and the structure of data sources are different, so that these systems' data exchange and integration encounter obstacles.
但由于这些信息系统的架构，数据源的结构不尽相同，使得这些系统间的数据交换和集成遇到了障碍。
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