数据库服务器用来存放本地数据和链接分布式异构数据库。
The local data and the distributed heterogeneous database lie in database server.
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.
将这项技术应用于油田中的地质图绘制方面，解决了油田中多层分布式异构数据库的访问、管理和地质图件的动态生成问题。
This technology solves the problems of access and management of the multi-tier distribution heterogeneous databases for oilfields and dynamic generation of geologic maps.
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