出于成本和复杂性的考虑，大多数设备并不具备广域网联网功能。
For cost and complexity reasons, most devices do not have wide-area networking capabilities.
点击这里下载演示文档和PDF文档，这些文档描述了Certeon 的解决方案，以及他们如何使用穿越一个全球性的广域网，在十三个国家中，使用这些方案来增强(SharePoint的性能)。
Click here to download two PowerPoint decks, along with PDF documents, that depict the Certeon solution and how they used it for Energizer across a global WAN and in over thirteen countries.
具有广域搜索能力的遗传算法(GA)也因“完备性”与“健全性”的不充分不能有效地对应上述问题。
While GA, which has wide scope searching capacity, also could not resolve those problems because of its insufficiency of completeness and soundness.
两种基本的网络类型是区域性网络（lan）和广域网络。
Two Basic network types are local area networks (LANs) and wide-area networks.
它对RAID5进行扩展，将数据分片分散存储在网络中的各节点，并针对不稳定的广域网络使用多副本，以获得期望的可用性。
It places strip among all nodes in the storage networks through extended RAID 5, and USES multi-copies over instable WAN to gain expected availability.
研究了全国近20个VTS中心之间广域联网的可行性、具体联网方式和广域网络结构。
The feasibility, applied inter-connection methods and network architecture for about 20 VTS centers all over China to set up a national VTS Wide Area Network (WAN).
对新英格兰10机39节点系统进行了潮流转移的仿真计算，验证了所提出广域后备保护方案的有效性。
Taking New England 10-unit 39-bus system as the case, the power flow transferring is simulated and simulation results show that the proposed wide area backup protection scheme is effective.
这需要前提是广域网的可用性有保障；而且不会遇到任何迁移问题。
It assumes WAN availability, and it assumes that there are no migration issues to be confronted.
根据数字化变电站通信系统可靠性的分析结果，建立广域保护下的变电站通信系统的可靠性模型。
According to the results of the digital substation communication system's reliability, establish the substation communication under the wide area protection reliability models.
为了实现对电力系统的实时控制，对广域保护通信系统要求高实时性和高可靠性。
In order to realize real-time control the power system, wide-area protection communication system require high real-time and high reliability.
通过综述现有故障诊断方法的优劣，提出了基于广域测量系统的电网故障诊断方法研究的可行性和必要性。
Under this situation, this thesis has studied the WAMS-based methods for power grid fault diagnosis. The main work of this thesis is stated as follows.
提出一种高容错性的广域后备保护算法，用于变电站间分布式广域后备保护系统。
A wide area backup protection algorithm with high fault-tolerance performance is proposed to implement the distributed wide area backup protection system.
提出一种高容错性的广域后备保护算法，用于变电站间分布式广域后备保护系统。
A wide area backup protection algorithm with high fault-tolerance performance is proposed to implement the distributed wide area backup protection system.
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