切點: point of contact; point of t ...弦: bowstring; string the string ...切點: [數學] point of contact; point of tangency互切點: tacnode會切點: cusp交切點: intersection; meet剖切點: cut point切點線: tangential points line上切點: incision superius吻切點: osculating point點弦奏法: tapping多切點模式: multiple cutoff model后縱切點: posterior frontal point互切點軌跡: tac-locus互自切點: tacnode角隅切點: corner tangent point前縱切點: anterior frontal point切點分數: cutting score切點位置: switching site二次曲面的兩焦點弦: bifocal chord of a quadric曲線的自密切點: selfosculating point of curve曲線共切點連接: tangential connection of curves在相切點的交角: intersect angle at target兩種油品間的分開點；截切點: cut point切點（與圓或圓弧相切的點）: tangent
