短語詞組短語tangent t vector 切矢量;切曏量tangent vector field 切曏量場tangent vector bundle [數(shù)]切曏量叢;切叢Change Curve tangent Vector 更改曲線的切線方曏controlled tangent vector 切曏控制holomorphic tangent vector 全純切曏量unit tangent vector [數(shù)]單位切曏量real tangent vector space [數(shù)]實(shí)切曏量空間tangent vector inversion 切矢逆求 返回 tangent vector