英语释义

• ratio of the hypotenuse to the adjacent side of a right-angled triangle

• a straight line that intersects a curve at two or more points

片语

secant facet切割平面

secant modulus割线模量；正割模数；本构模型

symmetrical secant对称割线

Secant se正割函数

chord secant弦割

secant line[数] 割线

Heel Secant跟剖面线

Inverse Secant the inverse function of the secant; the angle that has a secant equal to a given number

同义词： arc secant arcsecant arcsec

secant pile鉆孔咬合桩

secant method割线法；[数] 正割法

hyperbolic secant[数] 双曲正割

英汉例句

• a new method on seeking asymptote is given by applying the relation between secant and asymptote, this method is helpful to train creativity of students.

  利用曲线割线的极限得到曲线的渐近线，给出了求渐近线的一种新方法。这种方法直观性强，有助于培养学生的创新能力。

• the pulse envelope we obtained is a hyperbolic secant function of time.

  所得脉沖包络为时间的双曲正割函数。

• in this paper, the tangent stiffness matrices and the secant stiffness matrices of space trusses are derived with the energy principle in the total lagrangian coordinates.

  本文在t．l．坐标下，利用能量原理，同时导出了空间桿元精确的割线刚度矩阵和切线刚度矩阵显式。

• 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。

• static secant modulus of rigidity is determined from the torque-twist curve of torsional test.

  静力正割剪切模量系由抗扭试验的扭矩-转动曲线决定。

• both the tangential modulus and secant modulus are exponential with axial strain.

  松散巖块的切线模量和割线模量均与轴向应变呈指数相关性。

• starting from paraxial wave equation, analytical propagation expressions of hyperbolic secant pulsed beams with narrowband and broadband are derived.

  从近轴波动方程出发推导了窄带和宽带双曲正割脉沖光束的解析传输公式。

• the sign of the chirp also affects the spatial intensity distribution of the ultrashort hyperbolic secant pulsed beams.

  啁啾系数的大小和符号对双曲正割脉沖光束空间强度的分布有不同的影响。

• an element tangent stiffness equation was derived based on the secant stiffness equation of stability function elements with shear deformation effects considered.

  以考虑剪切变形影响的稳定函数单元的割线刚度方程为基础，导出了单元切线刚度方程。

• by means of the theory elastic wave, this paper demonstrates direct field's being offset under fluid fluid matrix by secant integral in well.

  本文利用弹性波理论对流体——流体模型下直接场被井内流体割线积分抵消进行了证明。

• secant modulus method (smm) is a new method to calculate foundation settlement in recent years.

  割线模量法是近几年获得青睐的计算地基沉降的新方法。

• 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沖时应该使用更加严格的均方根脉沖宽度。

• analytical propagation expressions of hyperbolic secant pulsed beams with narrowband and broadband.

  窄带和宽带双曲正割脉沖光束的解析传输式。

• put forth is a solution to a kind of pure non-linear regression model with the least square method principle and the double-dot secant iteration.

  采用非线性回归方法研究地下水动态规律，给出了应用最小二乘法原理和双点割线迭代法求解一类纯非线性回归模型的方法。

• then the numerical results show that new algorithm effectively overcomes the shortcomings of secant method, and evidently improves the convergent speed, convergent range and algorithm stability.

  数值实验结果表明，这种算法不仅有效克服了割线法的缺陷，而且收敛速度、收敛范围和算法的稳定性也得到明显提高。

• the results show that fatigue failure criterion of concrete under tensile-compressive stress can be indicated by ultimate attenuation rate of secant modulus.

  研究表明：极限疲劳割线模量衰减率可作为混凝土发生拉-压疲劳破坏的标志；

• the main blade and the blade angle secant angle precision instrument by the visual display.

  主锯片及割线锯片倾角由精密角度仪直观显示。

• crack length estimated by unloading tangent and secant compliances are approximately equal to the traction-free segment of crack and the measured crack length respectively.

  分析表明，根据卸载切线柔度估计的裂纹长度近似地等于裂纹的无表面力段长度，根据割线柔度估计的裂纹长度等于测量的裂纹长度；

• automatic sewing machine secant what are the requirements of the operation?

  自动锁线机割线的操作要求是什么？

• with secant method, this paper presents a technology to use measured data of identical vertical pulse testing for calculating vertical and horizontal permeabilities in reservoir.

  本文采用割线法，提供了一种利用同井垂向脉沖试井的实测数据确定油层垂直方向及水平方向渗透率的方法。

• a secant is defined as line passing through two points of the curve.

  割线的定义是一条通过曲线上两点的直线。

• secant blade lift, swing all by the handle adjustment, simple and efficient.

  割线锯片升降，摆动全部由手柄调节，简便高效。

• 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；

• in this paper, the author applies affine reduced operation to the model based secant method and gives a new method to look for the descent direction for solving unconstrained minimization problem.

  把仿射约化变换应用于基于模型的割线法中，给出了一种新的求解无约束极小化问题的下降方向算法。

• by starting from the paraxial wave equation, the analytical expression of the ultrashort hyperbolic secant pulsed beam are deduced.

  从傍轴波动方程出发，给出了超短双曲正割脉沖光束的解析解。

• the principle and method in utilizing the elastic secant stiffness in the reinforced concrete nonlinear hysteretic analysis were presented.

  分析弹性割线刚度运用于钢筋混凝土非线性滞回分析的原理和方法。