查询词典 token ring network

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。

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。

UMB systems benefit from a highly innovative flat network architecture that simplifies the core network and network interfaces, making it easy to scale the network.

UMB系统利用高度创新的扁平化网络架构，简化了核心网和网络接口，从而易于实现网络扩展。

At present DHT faces many problems, the biggest problem is in the initial design DHT overlooked the nodes vicinity in the physics network, resulting in the link between overlap network and physical network is small, that is DHT failed to take full advantage of the underlying physical network topology information.

目前DHT还面临许多问题，最大的问题之一就是DHT在初始设计时忽略了参与节点在物理网络上的邻近性，导致重叠网络和物理网络联系小，即DHT未能充分利用底层物理网络的拓扑信息。

To solve the problems in present hydraulic calculations of gas pipe network such as numerous data-inputting, unprecise output and a lack of hydraulic calculation methods to keep consistent with steady flow and non-steady flow in real working conditions of gas pipe network, in the paper the author has set up a mathematical model of heat transfer process of gas in pipes on the basis of thermodynamic basic theories and obtained more accurate calculation methods of gas storage quantity in long conveying pipes and urban pipe network of high pressure. This research achievement has been applied to real pipe network.

本文研究目的是解决目前燃气管网水力计算中存在的诸如输入数据繁琐、计算精度不高、缺乏符合实际燃气管网工况的稳定流及不稳定流管网水力计算方法等问题，试图根据热力学基本理论建立燃气在管道中传热过程数学模型，给出较为精确的长输管线及城市高压管网储气量的计算方法，并将研究成果应用于实际管网运行中。

For that, either the network link or network nodes can be unreliable; the network can be unrepairable or repairable with either limited or unlimited repair capability; furthermore, life distribution and repair time distribution of the network elements can be either exponential or not.

通过对有向和无向的具有各种维修能力的几种网络实例的仿真分析，表明该模型可灵活有效地用于对各种网络的多种可靠性参数进行模拟和分析；与前人研究结果的比较进一步证明了该模型的正确性和应用的灵活性。

If the wireless network deployment density is high enough, it can be carried out through a wireless network wide variety of applications, especially including government services, network information and real-time message, are the wireless network can provide value-added features.

如果无线网络布建密集度够高的话，就可以通过无线网络进行各式各样的应用，尤其是包括政府服务、网络信息与实时消息等，都是无线网络可以提供的加值功能。

The paper analyses the mode of expressway network charge distribution and existing questions, in view of the questions that go against regional highway network coordinated development, puts forward new theory and method of expressway network charge distribution; making use of game theory, constructing the model of expressway network charge distribution which has breakage risk and multi-people bid in turn, and analyzing characteristics of the model and advertent questions in application.

论文分析了现行高速公路网收费收入分配模式及其存在的问题，针对现行收入分配模式存在的不利于区域公路网协调发展的问题，提出了新的高速公路网收费分配理论和方法；运用博弈论理论，构建了具有破裂风险的多人轮流出价的高速公路收费收入分配模型，并分析模型的特点和模型应用注意的问题。

No complex distressful things on your mind but only our love and care for each other.

无复杂痛苦的事情，对你的心，但只有我们的爱和照顾对方。

At first light, on his own initiative, Vick located the enemy emplacements andfired on them, using 15 rounds.

破晓时分，维克主动地去查找敌军的炮位并向它们开火，打了15发弹药。