曲面: hook face; curve; curved sur ...的: 4次方是 The fourth power of 2 i ...圆: round; circular; spherical肩: shoulder圆肩的: round-shouldered曲面的: cambered; curved; curviplanar圆肩: round shoulders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曲面的母线: generating line of surface; generator of a surface; ruling on 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肩的: alar; humeral; scapular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黎曼曲面的叶: sheets of rieman surface
