So it adopt cubic spline function to structure die cavity outline in this article, the model points may be surveyed on die cavity surface.
因此，这里采用三次样条函数拟合曲线构造模具型腔廓线，其型值点由已有模具型腔测得。
2
The selection method of roll forging process parameters of middle tonnage automobile front axle and die design outline were stressed.
论述了中吨位汽车前轴辊锻成形工艺参数的确定方法和模具设计要点。
3
The essay put the chronological table of CiXue in Hunan Province modern history in order, and takes notes about birth and die of author, imperial examination, works, for having clear outline.