...边界表达法(boundary／representation，简称brep),3）参数表达法(parameter representation),4）单元表达法(cell representation),
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基于循环函数法的主导思想，通过对“加热单元”列能量平衡方程，构建了循环函数法的矩阵表达式，并对矩阵填写规则进行了详细阐述。
Based on the thermal balance equation of heater element, the matrix for the cyclic functional method is established and the rules to fill this matrix are represented detailedly in this paper.
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.
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