弦: bowstring; string the string ...和: mix; blend切线: tangent的: 4次方是 The fourth power of 2 i ...角: role; part; character缓和切线: transition tangent切线的: tangential切线的长: length of tangent line切线的斜率: tangent slope切线的仰角: tangent elevation三重切线的: triply tangent沿切线的: tangential靠近端线的角: back corner切线的切向的: tangential沿切线的方向: in umfangsrichtung正切的切线的: tangential邻接曲线的公切线: continuous curve tangent沿着切线的方向: at a tangent指针偏离垂直线的角度: angles drift off vertical line瞿弦和: qu xianhe; xianhe qu从外点至圆锥曲线的切线: tangent to conic section from external point曲线切线的球面指标: spherical indicatrix of tangent to a curve三次曲线的切线割点: tangental point of a cubic; tangentalpointofacubic正切的,切线的,离开正题的: tangental切线: [数学] tangent (line)
