The evaluation knowledge of part manufacturability was expressed by the hybrid of frame and production rule based on an object oriented approach.
在评价知识的表示方面，采用了面向对象与产生式规则相结合的混合表示方法。
In this paper, we realize the representation, reasoning and implementation of knowledge based discrete event simulation models by means of object oriented frame language.
利用面向对象的框架语言实现了知识基离散仿真模型的表达、推理和实施。
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