In the realization of the inference engine, the forward inference control strategy and the deep-prior search strategy are preferred.

在推理机制的实现上，系统采用正向推理的推理控制策略和深度优先的搜索策略。

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The inference engine is an object which performs the inference operation of object_ framework knowledge using forward chaining strategy.

该推理机是一个对象推理机，采用正向推理策略完成对对象式框架知识集的推理操作。

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The system is a rule-based production system. Inference engine is the core part of expert system. We use forward chaining and backward chaining at the same time.

描述一种诊断型专家系统，它统属于基于规则的产生式系统，推理机是核心部分，分别采用了正向、反向推理技术。

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