曲面: hook face; curve; curved sur ...的: 4次方是 The fourth power of 2 i ...母线: bus; bus bar; bus line gener ...二次曲面的母线: generator of a quadric直纹面的母线: ruling of a ruled surface柱的母线: element of a cylinder锥的母线: element of a cone; generator of cone曲面的: cambered; curved; curviplanar咽喉半径(蜗轮副咽喉的超环曲面的母圆半径): gorge radius超环面的母圆: generant of the toroid被曲面的: toric曲面的定向: orientation of surface曲面的法线: normal to a surface; normal to the surface曲面的拐度: flexion of surface曲面的狂: genus of a surface曲面的平点: planar point of a surface曲面的奇点: singular point of a surface曲面的曲率: curvature of surface曲面的贴合: application of a surface曲面的修剪: trimming operations双曲面的: hyperboloidal准双曲面的: hypoid闭曲面的亏格: genus of a closed surface超曲面的法线: normal to a hypersurface二次曲面的轴: axis of a quadric
