保形性 meaning in Chinese

form retention

The constructed curve was shape - preserving to the polygon
所构造的曲线对多边形具有保形性。
Normalized b - basis , namely optimal normalized totally positive basis , plays an important role in cagd , for it possess positive properties such as variation diminishing , convex - hull , affine invariance , tangency to the control polygon at the endpoints and b - algorithm
规范b基即最优规范的全正基，因其具有凸包性、仿射不变性、最优保形性，端点插值性及b算法等重要性质，在cagd中起着重要的作用。
According to properties of h - bezier basis , h - bezier curves are endowed with wonderful geometric properties including interpolating at endpoints , convex hull , affine invariance and optimal shape preserving . furthermore , a shape factor of the h - bezier curve is introduced to control the shape of the designing curves
基于h - b zier基函数的几何性质， h - b zier曲线具有适合cad中曲线建模和形状设计的保形性，端点插值性，凸包性，几何不变性和形状控制等很好的几何性质