包括理论的提出，一些基本的概念，数据的约简，知识表达系统，属性的约简，决策逻辑和决策规则最小化等。
It includes the proposing of the theory, some relevant fundamental concepts, the reduction of data and attributes, KRS, decision analysis, and the reduction of decision rules.
本系统工艺知识的描述与表达采用了产生式规则法和框架法，以成组技术(GT)为基础，以零件组为基本单元分别进行。
The description of the process knowledge adopts the method of productive rule and frame in this system. It bases on GT and is done according to parts group.
在系统实现中，采用隶属函数来反映故障对象特征的模糊性和模糊关系，基于关系数据库进行知识的模糊表达，实现基于规则的模糊推理。
In the implement of system, we use membership function to mirror faults fuzzy and fuzzy concern, relational database to describe knowledge and rules, and perform ruled-based inference.
系统实现“四库一体化”结构，提出全新的方法库概念和适合于大体量知识库的产生式规则法、框架法、关系数据库法结合的知识表达体系。
A new concept of method base and knowledge expressing system by combination of production rule method, frame method and data base method appropriate to big knowledge base was proposed.
针对复合材料构件设计中所存在的问题，应用基于规则的产生式知识表达，设计和建立了飞机复合材料构件的设计知识库系统。
To solve the problem of composite part design, through application of generative knowledge representation based on rule, a knowledge based system for composite part design was developed.
现有电机设计专家系统存在规则表达形式不直观的问题，影响了知识库的形成、使用和维护。
The expression form of rules in existing electrical machine design is not easy to read or use, which affects the utilization of knowledge and maintenance of knowledge-base.
现有电机设计专家系统存在规则表达形式不直观的问题，影响了知识库的形成、使用和维护。
The expression form of rules in existing electrical machine design is not easy to read or use, which affects the utilization of knowledge and maintenance of knowledge-base.
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