查询词典 simultaneous invariant

By introducing non-relativistic, adiabatic and quantum approximation to NLCMEs in the FBG with hyperbolic tangent apodization, and assuming the soliton as a particle with low velocity and invariant energy, the track equation of soliton is obtained.

利用双曲正切中间变迹光栅中的NLCME，引入非相对论-绝热-准量子近似法，将光栅孤子作为一个低速运动且能量守恒的整体进行分析，得到了孤子的轨迹方程。

In this paper,the direct and inverse scattermg problems for the viscoelasticmedium are studied via the Invariant Imbedding technique.

本文利用lnvariant Imbedding方法在时间域内讨论了粘弹性介质中波的散射与逆散射问题，主要工作如下

Then, we applies it to analyze the structural property of P/T-system chapter 4 improve the Algorithm of invariant and enables us to get two invariants in the same time ,Also in this Part ,a modified incidence matrix is introduced and applied to analyzing the structural property of some subclasses.

第三章对求解不变量做了改进，使得可以同时得到S-不变量及T-不变量。另外介绍了文献中一种"修正"的关联矩阵，并用其讨论了一些P/T-系统子类的结构特性。

This paper studies the group invariant np, the number of G-orbits of Sylow intersections, which plays an important role in the research of block theory and indecomposable modules of finite groups.

在有限群的研究中，Sylow p-子群无疑起到了非常重要的作用；同样，Sylow p-子群交在有限群不可分解模和块论研究当中的作用也是不容忽视的。

This paper gives the time domain integral constraints of the feedback control systems tracking error that arise from the presence of stable zeros on or near the jω-axis, which shows that for a linear time invariant system, in order to guarantee the stability of the closed-loop system, the time domain integral constraints must be satisfied by the tracking error.

本文给出了反馈控制系统接近虚轴或虚轴上的稳定零点对跟踪误差的时间域积分约束。这一时间域积分约束是任何一个线性时不变系统为保证其闭环系统的稳定性，其跟踪误差必须满足的。

The deduced integral invariant is employed to study the 3D predator-prey Lotka-Volterra systems and some new results are obtained.

利用此积分不变量，对三维捕食被捕食 LVS解的渐近性进行讨论，得到了平衡点全局渐近稳定的新条件，推广了已有LVS正平衡点全局渐近稳定的结

Firstly, the quantum Poincar?-Cartan integral invariant for the system with finite freedom is developed.

首先，研究了有限自由度系统的量子Poincaré-Cartan积分不变量。

In chapter 1, we introduce the definitions of area integral S_β and invariant g-function on unit sphere, and study their boundedness on BMO and non-isotropic Lipschitz spaces.

共分三章，第一章引进了C~n单位球面上的面积积分和不变g函数，研究它们在BMO空间以及non-isotropic Lipschitz空间上的有界性问题。

Introducing the notions of module algebra, Smash product and left integral we consider the relation between A#L and invariant subalgebra A〓.

在引入模代数、Smash积、左积分的定义之后，我们考虑A#L与不变子代数A〓之间的关系。

The method is a com- bination of the theory of normally hyperbolic invariant manifolds and an appropriate continuation method.

我们将在第四章利用法向双曲不变流形理论和Kopell，Chicone的延拓方法，来证明2个自由度的非哈密顿扰动系统的2维共振不变环面的存在性定理。

We are forbidden from giving money to these shoeless, skinny children, as this will perpetuate begging.

向光着脚，骨瘦如柴的孩子施舍是不可以的，因为要招来无休无止的乞讨。

It would be hard not to fall victim to some sharpeyed policeman.

要想不被某个目光锐利的警察抓到，谈何容易。