广域网络

However , the new network technology needs great hardware investments which are out of the burdening of lots of middle and small enterprises .

虚拟局域网是可以实现跨越广域网上的基于点到多点组播技术的一种新型网络。

Edraw provides all-inclusive collection of templates, symbols and computer clip-art images to rapidly create network diagrams such as Motherboards, Network Topologies, Peer-to-Peer (P2P), LAN/WAN Design and Network Cabling.

Edraw提供包含一切的模板，符号和电脑剪切画系列，可快速创造如主板，网络拓扑，点对点，局域/广域网络设计和网络电缆图。

An adaptive,efficient unbiased estimator of Hurst index based on the lifting scheme for wavelet transform and correlation coefficient is presented.

对局域网和广域网上大量突发网络流量的分析结果表明，网络流量普遍存在着自相似性和长相关性，其中赫斯特指数是表征网络流量突发性的重要参数。

The integer solution of network MIS security, which is analyzed in the paper ,is essentiality to the aspect of security, integrality, usability, controlling, auditing of network system.

第2章 分析了当前网络信息系统中存在的安全问题，总结了局域网和广域网上可能会遭受到的的安全风险和安全威胁。

Describe the requirements of data transfer in wide-area grid environment and the characteristic of grid data transfer protocol-GridFTP,the parallel transfer mechanism in GridFTP is primarily analyzed.

分析论述了广域网格网络中数据传输的需求以及网格数据传输协议—GridFTP的性能特点，对GridFTP中最重要的并行传输机制进行了探讨。

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。

There are three problems which must be solved in the construction of the 198/199 network, because of its high-speed and vast-region:simulcast interfering in the simulcast area;communication interruption between paging zones;signals of multi-frequencies switching invalidation between simulcast systems.

由于广域高速寻呼网络的技术特点，在198／199网络的建设设计和运营中要着重解决三大技术问题，即：同播区内的同播干扰问题；寻呼区间的IPNP联网障碍；以及同播区间的FLEX多频漫游信号切换障碍。

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。

The application of grid computing technology in protection system is discussed in this paper,including the basic concept of grid computing and its characteristics as well as its application prospect in wide area back-up prote.

介绍了一种网格环境中的广域后备专家系统，它以保证整个输电线网络的稳定与安全为基础，从广域角度实现线路保护的目的。

By introducing the ad hoc mode into the mobile cellular system, hybrid network has many benefits. In addition to imply coverage improvement and flow-equilibrium in cellular network, another important benefit is to deploy Adhoc network to a WAN.

混合网络通过在蜂窝移动通信系统中引入自组织方式，很好地解决了蜂窝系统中&热点小区&和&覆盖缺陷&等关键难题，同时又规避了自组织网络难以组建广域网络的缺陷。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。