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环状防护
1、focused protection───集中防护
2、copyright protection───[计] 版权保护
3、ring───n.戒指；环状物；圆形；圆形竞技场（或表演场）；炉口；（非法的）团伙；铃声；（鸟的）腿环；行星光环；环形护城工事；Gang门；围成一圈的人（或物）；感觉；n.(Ring)（美、挪、德、爱、英、波、丹）林（人名）；v.打电话；发出铃声；回响；充满；嗡嗡作响；（通过按铃）要求服务；听上去（有某种印象）；报（时）；包围；圈起来
4、protection against───保护；防护
5、protection cover───[电]保护罩
6、protection───n.保护；防卫；护照
7、cross protection───交叉保护作用；防止碰线，防止混线
8、livestock protection───牲畜保护
9、ring ring───戒指
1、An Analysis on the Span and Ring Protection Transform of SDH SHR───SDH自愈环的跨距和环路保护转换分析
2、The application of optical fiber ring protection in South Electric Power Network───光纤环网保护在南方电网中的应用
3、Study on Methods of WDM Ring Protection Network───WDM环网的保护方法的研究
4、This paper enumerates the Ethernet technologies relevant to reliability, including Ethernet linear protection and Ethernet ring protection.───文章列举了与可靠性相关的以太网技术，包括以太网线性保护和以太网环网保护。
5、This paper studied the protection mechanism for virtual ring in mesh topology, and analyzed a construction algorithm for a virtual ring based on spanning tree.───文章对网状拓扑中的虚环保护机制进行了研究，并对一种基于生成树的虚环构成算法进行了分析。
6、To obtain the desired privacy and protection, we created a polygonal ring that surrounds the upper level, along the entire perimeter of the house, designed for the maximum possible exterior unfolding.───为了获得所需的隐私和保护，我们创建了一个多边形的环形空间，围绕着上层，沿着项目的整个周边，最大可能展开外部设计。
1、The ADM also provides for dynamic bandwidth allocation, optical hubbing, and ring protection.
2、MSTP and RPR are two kinds of technology that can provide integrated access and ring protection.
3、Also write - enable ? - ring; protection ring ; file - protect ring.
4、This paper enumerates the Ethernet technologies relevant to reliability, including Ethernet linear protection and Ethernet ring protection.
5、A magnetic ring protection, a more stable and reliable signal transmission.