secant

英 [ˈsiːkənt]

美

adj.  分[交]割的; (横)切的
n.  割线; 正割

复数：secants　

英英释义

noun

• ratio of the hypotenuse to the adjacent side of a right-angled triangle
  Synonym:sec
• a straight line that intersects a curve at two or more points

双语例句

• The relation between the maximum radial error and arc radius and approach step-length in the secant mode of arc data interpolation in CNC system is detailed.
  并讨论了圆弧分象限“均差”割线方式插补时，圆弧的起始步距角和终止步距角、起始象限步数和终止限步数；
• According to the selective principle of map projection and Guangxi Regional place and form, the normal secant conic conformal projection of Guangxi Region is designed in this paper.
  根据地图投影选择的原则以及广西壮族自治区的地理位置和形状，设计了广西壮族自治区正轴等角割圆锥投影。
• Standard Parallels Computation for Normal Conformal Secant Conic Projection Based on Graded-Traversal Approach
  一种正轴等角割圆锥投影标准纬线的求算方法
• A new damping estimation method, the secant line method, was presented, that is based on the distance of neighbor peaks and valley of oscillation.
  （与邻国）和睦相处.提出利用相邻波峰和波谷之间距离估计阻尼比的割线方法。
• In this paper, the chord secant method is further studied, and then some general forms of chord secant method are obtained.
  进一步讨论了弦割法，给出了弦割法的一般形式，相信在方程求根的近似计算中有着重要的作用。
• At last, an example is given and the secant method is compared with the accurate differential method.
  最后，给出了应用实例，并对精确微分法和割线法进行了对比。
• The secant rigidity is used for the are-length method to solve the nonlinear finite elements problems.
  将割线刚度引入弧长法进行计算，以求解非线性有限元问题。
• Value of the complement of the secant, called the cosecant.
  正割函数的倒数，称为余割函数。
• So the secant modulus from zero stress can not describe the deformation property of the practical rock mass.
  因此，从原点计算的割线模量不能反映实际岩体的变形特征。
• The pulse envelope we obtained is a hyperbolic secant function of time.
  所得脉冲包络为时间的双曲正割函数。