网络

The network media must self-perfect too: strengthen the community responsibility consciousness of the network media; improve the employees' whole quality; strengthen the shielding of the network technology and restraint effect; accelerate cooperation between the network media and other media, etc..

网络媒体自身也必须自我完善：增强网络媒体的社会责任意识；提高网络媒体从业人员的整体素质；强化网络技术的屏蔽和约束效应；加快网络媒体与其他媒体的合作等。

Aiming at the disadvantage of conventional BP neural network, such as selecting parameter values by the empirical method, slow convergence speed and easy trap into local minimum points, this paper designs an improved BP neural network system. In order to improve the network convergence rate and reduce the training error, this paper optimizes the initial connecting weight value of neural network by the use of ant colony algorithm and trains artificial neural network by Levenberg-Marquardt algorithm.

针对常规BP神经网络参数的经验式取值方法以及收敛速度慢，容易陷入局部最小点等缺陷，设计了一种改进的神经网络系统，利用蚁群算法优化神经网络连接权初值，并采用LM算法对人工神经网络进行训练，提高了网络的收敛速度，降低了训练误差。

In this paper, the theory of artificial neural network is summarized; the analyse on BP neural network model is put stress on. For the predominance of artificial neural network"s dealing with non-linear complicated relation, the technology of artificial neural network is introduced into the evaluation of the highway bridge"s carrying capacity; and the preferences , the collection and disposal of stylebook, the structuring of BP neural network model are analyzed.

文中对人工神经元网络理论进行了综述，重点对神经元网络的BP算法进行了分析，利用人工神经元网络处理非线性复杂关系的优势，将人工神经元网络技术引入到公路桥梁承载力评估中；并对其中的参数选择、样本收集与处理、构造BP网络模型等进行了分析。

Substantively, the USP is a kind of innovation network, it consists of social network, commercial network and professional network.

但实质上，大学科技园是一种创新网络，是由社会网络、商业网络和专业网络相互叠加所构成的网络组织环境。

Network marketing is the general term of a series of business activities through network communication and network transactions, which takes network as a basic means and based on customer's demands.

网络营销 Network marketing：是以网络为基本手段，以满足消费者需求为中心，通过网络沟通、网络交易、网络促销等形式开展的一系列商务活动的总称。

After summarizing the dissimilation theory and describing various representations of the dissimilation of the online education, it points out that the essence of the dissimilation of the online education is the negative realization of the online education values and researches into its objective and subjective origins.

并对异化理论予以概述，描述了网络教育异化现象的诸种表现，指出网络教育异化的实质是网络教育价值的负向实现，探究了网络教育异化的客体和主体两方面的根源；同时就网络教育异化现象对素质教育的影响进行详细的阐述。

In chapter 4, basing theories and methods of scientific visualization, and artificial neural network BP algorithm, we integrate the Visual C++, OpenGL graphics library and Excel VBA technique to develop the program of artificial neural network and to make the BP algorithm visually, this program works can be divided into four parts: Using C language to develop program about BP algorithm; Using Visual C++, develop the GUI Interface, make input parameter visually; Using OpenGL graphic technique to display the training sample point in three dimension; at last using Excel DDE technique display the error graphic tables in Excel system In chapter 5, on the view of engineering application, we establish new method of surface reconstruction basing artificial neural network, develop interface program between module and commercial CAD/CAM system, meantime deeply discuss some key problems, for example, setting up the base plane, using the API technique, cutting and editing surface boundary, and also discuss the more compliant problem: how to intersect surface, at end we finish the work of translation from our surface reconstruction module to commercial CAD/CAM system, then make reverse engineering system basing artificial neural network more useful.

第四章基于科学计算可视化理论，依据人工神经网络BP算法理论模型，综合Visual C++，OpenGL图形库以及Excel VBA等多项软件开发技术，编制了人工神经网络程序，实现了BP算法的可视化映射。具体工作分为四部分：利用C语言实现人工神经网络BP算法；利用VisualC++的GUI技术开发图形用户界面，实现参数设置可视化；利用OpenGL图形技术进行三维映射，显示学习样本及训练样本点；利用微软电子表格DDE动态数据交换技术，在Excel上动态显示学习误差曲线图。第五章从工程应用的角度出发，提出了一种新的基于人工神经网络算法的曲面裁剪重构方法，完成了曲面重建模块与通用CAD/CAM系统的接口设计工作，对其中的若干关键问题进行了深入讨论，例如基平面设定、API技术的应用、边界裁剪等问题，同时，对曲面计算中较为困难的曲面相交问题也进行的专门探讨，最终完成了曲面重建模块向CAD/CAM系统的数据传输工作，使人工神经网络逆向工程系统趋向实用。

The network managers urgently require a practical network management system to help them to control the performance of network, monitor the trapshooting and optimize the structure, in order to ensure the stabilization of network.

网络管理人员迫切需要一个实用的网络管理系统来帮助他们实时掌控网络的性能状态，监测网络故障及优化网络结构，以维护网络的正常稳定运行。

The research of industrial group is the action that discusses a business not just, and the research; that is area whole not only be interior of area of be confined to spin with innovation, and the interior that must pay close attention to area innovation network is outspread with open sex; its content also not network of the industry inside area of be confined to or economic network, the human relation network between the network of informal human relations in society inside area and each one, promoting knowledge accumulate, flow and appreciation, and maintain a respect trustfully to produce tremendous effect.

产业集群的研究不仅仅是探讨企业的行为，而且是区域整体的研究；不光是限于区域内部的结网与创新，而且必须关注区域创新网络的内部延伸和开放性；其内容也不限于区域内产业网络或经济网络，区域内非正式的社会关系网络和各人之间的人际关系网络，在促进知识的积累、流动和增值，以及信任的维持方面发挥巨大作用。

This paper models the underlying network topology as an Euclidean space and uses PCA to map this higher dimensional space to the lower dimensional logical space of CAN. So a peer's identifier is determined by its location in underlying network.

以对等网络系统CAN为基础，将底层网络拓扑建模为高维欧氏空间，使用主成分分析法将底层网络拓扑映射到低维CAN逻辑空间，从而根据节点在底层网络中的位置决定其在对等网络中的标识符。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了