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

• 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
• 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。
• 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。
• Value of the complement of the secant, called the cosecant.
  正割函数的倒数，称为余割函数。
• High quality natural fiber blended yarns are obtained through blended spinning of secant slenderized wool and mercerized cotton under certain proportion.
  介绍了自主研发的拉伸羊毛与丝光棉条加工、纤维性能以及混纺纱线的加工技术。
• The RMS pulse width should be used when the subcyle hyperbolic secant pulses is described.
  所以描述亚周期双曲正割脉冲时应该使用更加严格的均方根脉冲宽度。
• The secant modulus is linear with axial stress.
  而其割线模量与轴向应力则呈线性关系；
• The secant modulus of soil is usually larger than the tangent one, but the value of differences decreases with the increasing strain.
  土体割线模量值大于切线模量值，其差值随应变的增加逐渐减小；
• 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；