The process of obtaining a specific representation of a curve by a mathematical expression or equation.
通过数学表达式或方程获得一曲线的特定表示法的过程。
The problem of attaining the tangent equation of a certain point on a quadratic curve is basically solved in plane analytical geometry.
平面解析几何对“求过二次曲线外的点所引曲线切线的方程”的问题，未给出一般的方法和公式。
In this paper, a cone - type curve flattening equation commonly used in engineering technology is presented for applications of sheet metal processing in mechanical manufacturing process.
本文给出了工程技术中常用的锥面上一类曲线的展平方程，供机械帚性工艺钣金加工应用。
A differential equation of the Jominy curves has been constructed according to the Jominy experimental data and the change of derivative of the Jominy curve.
根据端淬实验数据和实验曲线导数变化规律，用线性试探法建立了端淬曲线微分方程，然后解得硬度分布函数。
Furthermore, a Cubic Curve-fitting equation deduces and set up. In the end, through a group of actual data, the effect of this new method is validated.
建立了三次拟合曲线方程，通过实际数据的检验，验证了该方法的拟合效果。
As a important basis of calculating the distortion and strength of the buried pipeline, the paper gives out the space curve differential equations of elastic foundation-beam (displacement equation).
作为计算埋地管道变形和强度的重要基础，给出了弹性地基梁的挠曲线微分方程(位移方程)。
The stress-strain curve of rubber mortar is tested, and then fitted into a curve equation.
测试了废橡胶粉水泥砂浆的应力—应变曲线，并将曲线拟合成方程。
On this basis, the authors construct yield to maturity curve and obtain regression equation of the curve through establishing a model.
在此基础上，构造了国债收益率曲线并通过建模获得了收益率曲线的回归方程。
The derived equation provides a basis for how to put the rollers in a suitable position. The authors also simply introduce how to use the computer program of drawing section curve of belt.
所导出的方程对于圆管式胶带机在过渡段内的托辊布置提供了初步的依据，并简要地介绍了画胶带横截面曲线的计算机程序。
A simple equation is presented via the theory of inflection circle and the properties of symmetric linkage curve.
利用拐点圆概念和对称连杆曲线的特性，导出一个简单的方程序。
Based on production decline curve equation, through mathematical derivation, a kind of logarithmic type production decline curve equation is obtained.
在产量衰减曲线方程的基础上，通过数学推导，得到了一种对数型产量衰减曲线方程。
When a inverse function of monotone function can not show the explicit formula, the distribution density curve of continuous randon variable can be gained with a parametric equation.
当单调函数的反函数不能显性表示时，连续型随机变量的分布密度曲线仍可通过参数方程的形式获得。
The direct solution formula for the curve length of a theoretical control point on the transition curve is proposed, with the solution of high order equation being avoided.
导出了隧道控制测量中缓和曲线理论投点曲线长的直接求解公式。
A class of singularly perturbed reaction diffusion equation initial boundary value problem with a curve of turning point is discussed.
讨论了一类具有转向点曲线的奇摄动反应扩散方程初始边值问题。
According to the original definition of titration error and titration curve equation, a general model for titration error has been built up.
本文从滴定误差直接定义出发，结合滴定曲线方程，建立滴定误差统一模型。
This paper presents a novel method, a generalized water drive curve, that just one equation is applied to describe the variety types of water drive curves.
基于对描述油水相对渗透率比与含水饱和度关系曲线的方程的修正，建立了能够用一个公式描述各种不同形态水驱曲线的方法。
Based on this a new differential equation of the lengthwise edge curve of a...
该方程可以使侧切刃口曲线的形成更为合理。
Finally, a general discussion on properties of the polymorphic site index curve equation for Chinese fir was made.
最后讨论了本文所用的杉木多形地位指数曲线模型的一些特性。
This paper gives a general equation for the ideal curve of crane beam with joint support, then further discusses the effect of elastic support on the curve, and gives the complement equation.
用能量法推导了刚性铰支大梁上拱和上翘曲线的一般方程。进一步探讨了弹性支座对上拱和上翘曲线的影响，并得出了相应的关系式。
This paper gives a general equation for the ideal curve of crane beam with joint support, then further discusses the effect of elastic support on the curve, and gives the complement equation.
用能量法推导了刚性铰支大梁上拱和上翘曲线的一般方程。进一步探讨了弹性支座对上拱和上翘曲线的影响，并得出了相应的关系式。
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