求中的 meaning in English

centripetal

Smoothness merging algorithm in reverse reconstruction of shoe last
鞋楦反求中的曲面光滑拼接算法
On the basis of the known actual contour equation of cam in the disk typed cam mechanism with swinging oblique bottomed follower , this paper expounded another method for determining inversely the track equation of cutter center and the motion law of follower , and three key techniques in numerical inverse seeking were solved successfully by adopting the method of curve matching
摘要根据已知摆动斜底从动件盘状凸轮机构的凸轮实际廓线方程，阐述了反求确定刀具中心轨迹方程和从动件运动规律的另一种方法，并采用曲线拟合等方法成功地解决了数值反求中的3个关键技术。