an existence of limit cycles for the quadratic system with a class of a cubic curves solution

this thesis devotes to study the homoclinics of quadratic systems and their revelent problems. the content is divided to four parts.

本文我们分为四个部分对二次系统同宿环及其相关问题作一些研究。

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the general solution for a damped harmonic oscillator with a force quadratic in velocity

受到与速度平方成正比的力的谐振子的普遍解

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you can be solving quadratic equations at the same time if you like.

如果你喜欢的话，你可以一边穿鞋一边解二次方程。

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variable screening technique and quadratic response surface method are introduced to study the matching design of car side airbag.

引入变量筛选技术和2阶响应面法以进行轿车侧撞安全气囊匹配设计的研究。

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the characteristic values and the standard form of a quadratic form represented with a real symmetrical determinant

实对称行列式表示的二次型的特征值与标准形

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o(n^2) is quadratic.

O（n^2）是二次结构。

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how to: create a quadratic bezier curve.

如何：创建二次贝塞尔曲线。

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a conclusion is that there is a quadratic effect of high speed milling.

得出了在高速铣削时存在二次效应现象；

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for instance, in order to use the quadratic formula you must have the quadratic in standard form first.

例如，为了使用二次方程式，你需要知道标准的二次平方式。

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the result is quadratic running time and memory consumption.

结果是以平方关系递增的运行时间和内存消耗。

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in order to overcome the difficulties, a sequential quadratic approximate algorithm is proposed based on exact dual mapping.

为此，针对该模型给出了精确对偶映射下的序列二次近似解法。

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because of the quadratic relation of the excitation power, 3-d localization of fret becomes possible.

由于二次关系，激发动力，三维本地化共振成为可能。

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of the two solutions of this quadratic equation (x=6 and x=4. 8), we may only keep the one which is an integer.

在方程的两个解中（x=6，x=4.8），我们只保留整数解。

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the author have a quadratic development according to the basically features of stone machined and industry used if autocad.

本文针对石材加工及装饰行业的基本特点，在AutoCAD平台上进行了针对性较强的二次开发。

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then this paper studies two main kinds of layout problem: quadratic assignment problem and mixed integer programming.

在此思路基础上，分别对两类设备布局问题——二次分配问题和混合整数规划问题建立数学模型。

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to my shame, i find that i am repeating the exercise (including the quadratic equations) for cc#2.

我感到羞愧的是，我发现我在为“成本中心二号”重复着这些事情（包括解二次方程）。

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the quadratic equation may have instilled horror in many of us.

我们很多人可能面对二次方程式会感到恐惧。

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quadratic in t without changing the outcome.

但是结果却不会变

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in this paper, a new method which based on the curves of rational quadratic splines was presented to enlarge images.

提出了一种新的基于有理二次样条曲线的图像放大方法。

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this paper presents a new derivative free optimization (dfo) method which is based on a quadratic tridiagonal interpolation model.

该文提出了一个基于二次三对角模型的直接搜索法。

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