支持主动规则机制已经成为现代数据库系统的一个重要特征。

Active rules support has become an important characteristic of modern database systems.

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支持主动规则机制已经成为现代数据库系统的一个重要特征。

Supporting active rules has become an important characteristic of modern database systems.

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介绍了主动面向对象数据库实验系统SDAOODB的体系结构和关键的实现技术。 SDAOODB是国内首家研制的一个主动面向对象数据库系统。

We introduced an active object-oriented database experimental system SDAOODB and discussed the system architecture and the important technique of implementation.

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