切点: point of contact; point of t ...弦: bowstring; string the string ...切点: [数学] point of contact; point of tangency互切点: tacnode会切点: cusp交切点: intersection; meet剖切点: cut point切点线: tangential points line上切点: incision superius吻切点: osculating point点弦奏法: tapping多切点模式: multiple cutoff model后纵切点: posterior frontal point互切点轨迹: tac-locus互自切点: tacnode角隅切点: corner tangent point前纵切点: anterior frontal point切点分数: cutting score切点位置: switching site二次曲面的两焦点弦: bifocal chord of a quadric曲线的自密切点: selfosculating point of curve曲线共切点连接: tangential connection of curves在相切点的交角: intersect angle at target两种油品间的分开点；截切点: cut point切点（与圆或圆弧相切的点）: tangent
