重点讨论了原有系统集成到新系统中，实现了分布式异构数据库在J2EE平台下的综合查询问题。

The realization of integral query of distributed heterogeneous database on the J2EE platform has been stressed while the original system has been integrated to the new system.

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传统异构数据库间的数据转换工具存在受平台限制、容易产生冗余等不足。

Traditional data transformation tools are constrained by the platform and easily lead to data redundancy.

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系统实现了分布式异构、跨平台，支持多数据库，同时充分考虑到了与其他系统的集成，可较好地支持过程自动化及其管理。

The system is distributed, cross-platform and supports multi-database, in the meantime it can integrate with other systems, so it can support process automation and management.

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