群

Consequently, the numerical calculation methods of the propagation ought to be Lie group transformation too, which is known as Lie group method.

本文应用李群方法，系统表述相空间中的地震波和频率空间域中的单程波传播，并由此分别给出地震波场数值模拟和深度偏移的李群算法。

A Lie group,called N-group,and its Lie algebra,calledN-algebra,are introduced for the structure analysis of the systems.

同时为便于进行系统的结构分析，引入一种称为N-群的李群及其李代数，N-代数。

Lie's theory is used to extract the analytic solutions of nonlinearsystems in this thesis for the first time.The basic form of Lie group is ex-pounded through Lie series and Lie transformation.

本文首次将Lie群理论用于求解非线性系统的解析解，通过引用Lie级数和Lie变换，阐明了Lie群的基本形式。

You're a bunch of lily-livered , chicken-hearted lickspittles.

真是一群胆小鬼，一群胆怯的马屁精

Load balancing mechanism is an approach to improve the overall handling capacity of the cluster, but the unreasonable structure of the clusters tends to limit the efficiency of load balancing mechanism. Incoordination between the two limits the performance of system hardware and software.

负载均衡机制是一种用于提高集群整体处理能力的方法，但是不合理的集群结构往往会影响负载均衡机制的效率，两者的不协调在一定程度上限制了系统性能的体现。

By means of the C0 - semigroup theory of bounded linear operators in functional analysis we prove that thissystem has a unique nonnegative solution.

以往大多数文献都讨论维修系统的稳态解的情况，本文利用泛函分析中算子半群的方法研究了这类数学模型的非负动态解的存在唯一性。第三部分对积分半群和余弦算子族解析性的讨论。

Laodu teachs me to entertain guests not only have a meal these industry established practice, he still told story of a lot of industry to me, he is an oral expression the person that than him literal expression still is close friends, he also is clever and zenithal and tell the person that show extremely, he is very very much to my help, big, he also is us veteran group one of initiator, he or we are veteran the honorary edition of group of forum hunt heads and recruit edition advocate, he is worn with drive of his words and deeds all the time the travel before I am ceaseless.

老杜不仅教我请客吃饭这些业界规矩，他还给我讲了很多业界故事，他是一个口头表达比他文字表达还要好的人，他也是一个聪明绝顶而又极其通透的人，他对我的帮助很多、很大，他也是我们老兵群的发起人之一，他还是我们老兵群论坛猎头和招募版的荣誉版主，他一直以他的言行激励着我不断前行。

The origin of the beautiful words that spends about He Qiao comes by a fokelore: One day in the morning, one of the Eight Immortals in the legend iron abduct plum go near fair hole temple roam, see when passing a farm a flock of a flock of spadger flies livelily in the rice field to eat paddy stealthily.

关于禾雀花的花语的由来是由一个传说而来的：有一天早上，八仙之一的铁拐李到公坑寺四周去云游，在经过一片农田的时候看见一群一群的麻雀欢快的飞到稻田里去偷吃稻谷。

Traditional Swarm Optimization algorithm can not choose parameters according to practical problem,and plunge into the local extremum point easily at the end of the searching.

针对传统粒子群优化算法不能根据实际问题自行选择参数，搜索后期容易陷入局部最优的缺点，提出了一种基于随机摄动的复合粒子群优化算法。

Existing particle swarm algorithm and its variations converge slowly and get into local extremum easily. Due to this, based on the characteristics of current conceptual designing, an improved particle swarm optimizational model based on dynamic niche is proposed in this paper.

现有的微粒群算法及其变种都有着收敛速度慢、容易陷入局部极值问题，再针对目前创新概念设计的特点，本文提出一种改进的基于动态小生境的微粒群优化模型。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。