用最小二乘法建立曲面匹配的目标函数，并用遗传算法进行求解。
The matching function was built by the Least Squares method, and it was solved by the genetic algorithms.
创建屋顶截面，以引导线作为引导，当采用曲线网格命令来建立曲面。
Create the roof sections to guide the roof surface when using surface from curve network.
本文阐述了建立曲面展开计算机辅助绘图系统在现代生产中的作用与必要性。
This paper deals with the role and the prerequisite of establishing the computer-aided drawing system by means of unfolding sheet metal in modern production.
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