符号付偶数交点数列 { 14, 10, 12, 20, 16, 18, 8, 2, 4, 6 } 始点座標 { (2r,-88,-r,-2r), (r,-85,-r,-2r) } 射影交点座標 { (r,-90,-r,-r), (r,135+10,-r,2r), (r,0,0,0), (r,-90,r,-r), (r,180,0,0), (r,45-10,r,2r), (r,-90,0,0), (r,180,-r,-r), (r,90,…