网络拓扑结构

Complex networks theory is such a result that issue from the observation to relative simple topology structure of networks in different domains. And, recent several years, many research show that many complex systems possess the scale-free property, that is, the mass of nodes have only a few connections but abundant connections are possessed by minority nodes.

复杂网络理论是对不同领域的相对简单的网络拓扑结构进行观测的结果，而且，近几年的研究发现很多复杂系统均拥有无标度特性，即大部分节点只有少数几个连结，而某些节点却拥有与其他节点的大量连结。

The system was completed, the router through the different structures of the Routing Information Protocol network topology for testing;Network management module for the machine in two stages : Goals and objectives for the board test is consistent with the overall system requirements. This paper presents the data structure and interface functions.

本系统完成后，路由器通过搭建不同的网络拓扑结构对路由信息协议进行测试；对于网络管理模块分两阶段：目标机和目标板上进行了测试，测试情况符合系统整体要求。

Based on the characteristics above, this paper presents two graph-theory algorithms fast identifying the weakness of networks according to wide area measurement information such as pre-fault network topology and load flow, namely the algorithm of fast search for transmission section based graph theory and the algorithm of fast search for flow transferring Minimal Short Path.

基于潮流转移的上述特点，本文根据事故前的网络拓扑结构、潮流分布状态、输电元件物理参数与系统电压等级等广域测量信息，针对两种不同的网络结构分别提出了相应的快速识别网络薄弱环节的图论方法，即输电断面快速搜索算法与潮流转移最短路径快速搜索算法。

In ad-hoc mobile networks some links may be unidirectional due to the hidden terminal problem. Traditional protocols are not well suited for the mobile environment due to the considerable overhead produced by periodic route update messages and their slow convergence to topological changes. In this p...

文中提出了一种支持单向 ad- hoc移动网络的路由协议 U AOR，它采用按需方式查找路由，并根据主机之间的邻接关系和距离矢量来选择相对最稳定且最短的路由，具有路由更新开销小，快速适应网络拓扑结构改变等特点。

Intranet of enterprise ; system design ; topological structure of network ; network security

企业内部网；系统设计；网络拓扑结构；网络安全

However, the transmission lines among the shortest path from one node of the overloaded line to the other, might suffer from flow transferring most greatly after the overloaded line tripping for a "strong-receiver" system, in which generations and loads are distributed equably and generation capacity in load centre is large.

基于潮流转移的上述特点，本文根据事故前的网络拓扑结构、潮流分布状态、输电元件物理参数与系统电压等级等广域测量信息，针对两种不同的网络结构分别提出了相应的快速识别网络薄弱环节的图论方法，即输电断面快速搜索算法与潮流转移最短路径快速搜索算法。

Through the study of PLC working principle and PLC network communication basic theory, it is a main purpose to master the cruces of realizing PLC control system, the control process and control mode, PLC topology structure and communication protocol between sub network.

通过对PLC的工作原理及PLC网络通信的基本理论的研究，达到在构建PLC工业控制系统时掌握PLC实现控制的要点、控制过程和控制方式以及PLC控制网络拓扑结构和各级子网通信协议配置原则的目的。

According to the basic demand and actual environment of remote monitoring system for SEME, a topological network model is developed. The framework of this model is based on internet. Meantime, various heterogeneous nets are also included in this model. Some critical technologies about remote monitoring system are discussed.

根据远程监控系统的基本要求并考虑到实际情况，构造了一种以Internet为骨架、多种异构网络并存的特种机电设备远程监控系统网络拓扑结构模型，并对其中若干关键技术进行研究。

Optimization of the neural networks is a complicated process.

神经网络的网络拓扑结构优化是一个复杂的优化过程。

The complementary cumulative distribution and correlation of the topological structure are analyzed revealing that the network presents small-world property.

文中分析了该网络拓扑结构的补累积分布以及相关性，从其统计特性可以得出该网络具有小世界特性，揭示出结点的点权以及其邻居的平均点权之间具有正线性相关，同时结点的权重平衡度服从幂律分布。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。