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Mechanics has two main branches,Lagrangian mechanics and Hamiltonianmechanics:Lagrangian mechanics is based on variational principles and Hamil-tonian mechanics is based on symplectic structure of cotangent space.

力学有两大主要分支：基于变分原理的Lagrangian力学和基于余切空间的辛结构的Hamiltonian力学。

A method for carrying out transparent transmission service of elastic packet ring includes setting station table and interface table in RPR station of EPR, finalizing top ring retransmitting process based on MPLS countermark by matching MPLS countermark in service frame to station table to obtain MAC address of correlated EPR station according to topological retransmission table of station, finalizing bottom ring process based on MPLS countermark by matching MPLS countermark in service frame to interface table to obtain correlated local Ethernet interface number.

本发明公开了一种弹性分组环透传业务的方法及装置，方法包括：在每一个弹性分组环RPR站点中，建立一张具有MPLS标签与弹性分组环站点关联关系的站点表以及一张具有MPLS标签与本地以太网接口关联关系的接口表；通过将业务帧中的MPLS标签与所述站点表进行匹配获得关联的弹性分组环站点的MAC地址，并根据站点的拓扑转发表，完成基于MPLS标签的上环转发处理；通过将业务帧中的MPLS标签与所述接口表进行匹配获得关联的本地以太网接口号，完成基于MPLS标签的下环处理。

In view of risk-neutral probability measure, this paper discusses the pricing of coupon bond in several periods and the pricing of options on the bond in floating interest rate. The article sets up a model of bond price in an enterprise.

本文主要是在风险中性测度下，基于浮动利率条件，讨论带有违约风险的多时期附息票债券的定价问题及基于该类债券的期权定价问题。

Using Hong(2001)'s method based on Cross Covariance Function and Error Correction Model,we study Granger causality and information spillover s among major global crude oil markets including London,New York,Dubai as well as Tapis and Minas in Southeast Asia.

采用基于协相关函数的Hong(2001)方法和基于协整理论的误差修正模型系统研究了全球原油市场的Granger因果关系与信息溢出。

From the perspective of covering points in high-dimensional space, we discussed the theory of constrictive PONN based on knowledge rules. PONN's general constructive algorithm and its two special methods based on random sampling and barycenter rules respectively were proposed in this paper.

从高维空间样本点覆盖的角度，讨论了基于知识规则的构造性优先排序神经网络算法的原理，提出了网络构造过程的一般算法以及基于随机取样规则和重心点规则的两个实例算法。

A kind of visual prediction and analysis framework of the execution time of real-time software based on program flowchart is proposed in the paper. The key issues of implementing the framework are discussed in detail, including creating the mapping between intermediate code segment and statement line of source code, retrieving the time of any given program segment from the perspective of CPU cycles of goal machine instruct, calculating CPU cycles of statement lines of source code, point-to-point WCETC (worst case execution time calculated) analysis algorithm based on program flowchart, and transforming CPU cycle into physical time.

提出了一种基于控制流程图的程序执行时间的可视化分析框架，研究了中间代码段与源程序中语句的对应关系的自动分析、源程序语句行的CPU周期数的提取和计算方法、基于控制流程图的点到点最大时间分析算法和CPU周期的绝对时间估计方法。

In this dissertation, dynamic phasor method based on the critical damping adjustment is developed to eliminate the numerical oscillation caused by the changes of the network configuration.

分析了基于梯形法的动态相量仿真的数值振荡问题，结合现有的算法和动态相量法的特点，讨论了基于临界阻尼调整法的动态相量法。

In this paper, I establish a set of updating the basic land-use map technology and flow after I go deep into studying the methods of updating the basic land-use map based on 3S technology. It is very important point that I bring forward some methods of change information automatic detected founding on land-use map unit, cross correlation analysis with multispectral image and object-oriented classification aiming at difference data and difficult identifying change information problems.

本文在深入研究了基于3S技术更新土地利用图件的方法基础上，从实用化的角度出发，建立了一套利用3S技术更新土地利用基础图件的技术流程与方法，并针对不同的数据情况和变化信息自动提取等问题提出了基于土地利用图斑单元的知识库变化信息自动发现方法、多波段遥感影像交叉相关分析变化识别方法及面向对象的遥感影像分类变化检测方法。

Using Hong(2001)'s method based on Cross Covariance Function and Error Correction Model, we study Granger causality and information spillovers among major global crude oil markets including London, New York, Dubai as well as Tapis and Minas in Southeast Asia.

采用基于协相关函数的Hong(200l)方法和基于协整理论的误差修正模型系统研究了全球原油市场的Granger因果关系与信息溢出。

In the respect of data adaptability, MARS is relatively more suitable to credit score model building based on current credit data in China, for the classification accurate rate of General Cross Validation Value is better than based on data from UK.

在对数据的适应性方面，相对来说，MARS方法更适用于基于中国个人信用数据建立个人信用评分模型，其最终模型的GCV值分类准确率都好于基于英国个人信用数据得到模型。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。