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 paper concentrates on the analysis and solution for inverse problems of flexible arms. A secant coordinate system was introduced to describe the location of the two-link arm.
  采用割线坐标系对机械臂的运动进行了描述，并分快变和慢变两方面进行逆动力学问题的分析与求解。
• 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；
• The error of Richardson 'extrapolation method is less than that of secant method;
  Richardson外推法的误差小于正切法；
• 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。
• Analysis on Switching Power for New No.9 Turnout with Curved Blades of Negative Secant Type
  新型相离型曲线尖轨9号道岔的扳动力分析
• 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。
• According to the nodal admittance equation, the analysis of steady state performance of self excited induction generators is carried out by using the secant method.
  依据等效电路的节点导纳方程，采用弦截法分析了自励感应发电机的稳态特性。
• 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。
• 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
• Nonlinear dielectric property was also examined by means of secant method.
  利用割线方法还研究了该类复合材料的非线性有效性质。