极限

Chapter 5 concerns the number of limit cycles for a cubic Hamiltonian system under cubic perturbation.

第五章给出了只关于一个轴对称的三次哈密顿系统的分类，研究了三次哈密顿系统在三次扰动下的极限环的个数与分布。

This paper is concerned with the analysis of cubic system's equivariant symmetric structure and the investigation of limit cycles bifurcation for several classes of equivariant cubic systems.

主要研究三次系统的等变对称结构以及不同结构的三次系统的极限环分枝行为。

Chapter 4 investigates the number and distributions of limit cycles for a class of Kukles system, which also can be regarded as a class of reduced Kukles system under cubic perturbation.

第四章研究了一类Kukles系统的极限环的个数与分布，这里我们把所研究系统看作是三次扰动下的退化的Kukles系统。

Limit cycle flutter of a two-dimensional airfoil in cubic nonlinear aeroelastic system in incompressible flow is investigated.

引 言 在不可压缩流中的二元机翼是一个典型的自激振动的例子，在该系统中引入非线性项一般会产生如Hopf分岔，极限环颤振[1]，周期倍化及混沌等现象。

And it calculates the limit temperature、limit current and cumulation,and introduces the hardware and software of the protection system.

并分别对最高温度上限、极限电流以及累计量进行了分析计算，接着还介绍了保护系统的软硬件实现方法。

Most recently, Cunningham is credited with being the primary inspiration behind many of the techniques of Extreme Programming.

最近，坎宁安又被认为是极限编程的多项技术背后的主要灵感源。

In addition, the presence of flight feathers on the hindlimbs is inconsistent with the cursorial hypothesis and the Jesus-Christ hypothesis because flight feathers on the hindlimbs would seemingly limit running speed.

此外，在场的飞羽对后肢不符合cursorial假说和耶稣-基督的假说，因为飞羽对后肢将看似极限运行速度。

A closed calculation form of the curvature is given based on the theory of matrix.(7)A case study of high slope reinforcement is presented. The whole process of the uplift test and the computer simulation of cable are expatiated. The excavation of the slope with or without reinforcement is simulated by numerical method.

利用矩阵理论给出了求解曲率的简化算式，提出了一种相关变量可靠度计算的实用二次二阶矩法；(7)借助某高边坡支护工程，详述了锚索极限抗拔试验和数值模拟。

The key factors to effect the curve resolution ability were studied and the limit of curve resolution ability in theory was determined.

通过线性空间中的几何模型，确定了影响体系组分分辨能力的关键因素，结合噪声分布提出了组分分辨能力的理论极限。

A method which can directly compute the bearing capacity of the section according to parameter equation by Green Formula is put forward. bridge ; bearing capacity of normal section ; curvilinear integral

鉴于以上的缺点，本文提出一种用格林公式根据几何元素的参数方程直接计算截面承载能力的方法。1 桥梁正截面极限承载能力计算理论如图 1所示的空心板截面有一个外环和

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。