convex-hull approximation

例句：

1. 1. Thealgorithm uses a convex-hullapproximation to find the shortest path betweentwo points.
   该算法使用凸包逼近来找到两点之间的最短路径。
2. 2. In computergraphics, convex-hull approximationis used to approximate the shape of objectsin a 3D space.
   在计算机图形学中，凸包逼近被用来近似三维空间中物体的形状。
3. 3. Theconvex-hull approximation method iswidely used in computational geometry and computer-aided design.
   凸包逼近方法在计算几何和计算机辅助设计中得到了广泛应用。