But object-oriented technology has no ability of reasoning itself, so it is always an interesting point of research to integrate the rule-based technology into object-oriented systems.

但由于面向对象技术本身不具备规则推理能力，因此将现有的基于规则技术集成到面向对象系统中成为一个研究的兴趣点。

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This paper first introduces EJB, then discusses a technology of business rule engine based on EJB from design and implementation.

首先介绍了EJB，然后从设计和实现两个方面讨论了一种基于EJB的业务规则引擎技术。

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The method adopts object-oriented technology for electric devices and knowledge expression based on produced rules to build topology configuration knowledge base and operation rule knowledge base.

采用面向对象的电气设备表示方法和基于产生式规则的知识表达方法，建立电网拓扑结构知识库和操作规则知识库。

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For much of this year, the commission's reason for blocking the iPhone was that its built-in mapping capabilities violate a South Korean rule requiring the use of domestic technology for location-based services in cellphones.

WSJ: South Korea Clears Way for iPhone Sales