The distributed data processing, the database, the virtual reality, the information processing and the information fusion technologies were expatiated in the key technology part.
对其关键技术，主要研究了分布处理技术、数据库技术、虚拟现实技术、信息处理技术和信息融合技术。
Combined with enterprise information integration technology. this article advanced a standard integration of heterogeneous data sources that called virtual database model based on XML.
本文结合当前企业信息集成技术，提出了一种统一的异构数据源集成模型——基于XML的虚拟数据库模型。
Finally, did some research in data storage, actualized database control based on virtual instrument technology, achieved browse and printing of the report forms.
最后对数据存储进行研究，利用虚拟仪器技术实现对数据库的各种操作，直到实现报表的浏览和打印。
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