| 摘要 |
In the golf ball having numerous dimples along fifteen symetrical axes on its spherical surface, the surface is divided into ten hexagonal divisions corresponding to a decahedron representing the spherical surface. Each of the hexagons is subdivided into six regular triangles each of which is further subdivided into two regular triangles to array the 12 triangular subdivisions into the form of a propeller vane for dimple formation of the ball surface. |
