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- The curvature of a curve; the magnitude of the derivative of its unit tangent vector with respect to distance on the curve 曲线的曲率;为单位切向量对距离取导数所得向量的大小
- unit tangent vector 单位切向量
- The purely kinematical equation for the tangent vector of a line element is derived. 导出了线元切向量的变形方程以及拉伸轴在极射赤面投影图上位置变化计算公式。
- During calculation of the tangent vector, the complete Jacobian matrix is adopted so that the tangent vector is computed accurately. 该方法在切向量求取环节，采用完整的雅可比矩阵做系数矩阵求取切向量，从而保证切向量的准确性；
- An object recognition and localization algorithm based on local feature?turning angle between neighbouring tangent vectors, is presented. 提出了基于切矢转角局部特征的目标识别与定位算法。
- SVD Method for Selecting Tangent Vector in Tangent Distance 切线距离中选取切线向量的SVD方法
- Many-Knot Curve Construction with Controlled Tangent Vector 带切向控制的多结点曲线造型方法
- Based on Kirov's Theorem,applying many-knot spline functions,one kind of curve or surface modeling method with tangent vectors or normal vectors,by which some local shapes of curves or surfaces can be controlled,has been introduced. 基于Kirov定理,利用多结点样条函数,研究一类带有可控参数的曲线曲面造型方法。
- If you are up to it, you can derive the proper equation yourself by solving the calculus differential equation for a curve with a constant angle between the radial and tangent vectors (HUH?). 通过解一个微积分等式：曲线的射线与切线形成的角度是恒量，可以自己得出正确的方程式。
- The luminous intensity on unit area. 单位面积上的发光强度。
- The family is the smallest social unit. 家庭是社会最小的单位。
- New Geometrical Explanation of the Definition of Tangent Vector on Differential Manifolds 微分流形上切向量定义的新几何解释
- Pressure is force per unit area. 压力就是电单位面积上的力。
- A set of data elements which are handled as a unit. 作为一个单元来处理的一组数据元素。
- The family is the basic unit of society. 家庭是社会的基本单位。
- A metric unit of area equal to 10 ares. 十公亩面积的公制单位之一，等于十公亩。
- A metric unit of mass equal to 100 grams. 百克公制质量单位，等于100克。
- A unit of power equal to 1,000 watts. 千瓦功率的单位，等于1,000瓦。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- Adjusting Shape of NURBS Curve by Cross Product of Tangent Vectors 用导矢叉乘法对NURBS曲线进行形状调整
