为提高域间选路协议的扩展性能、收敛性能和路由质量，设计了一种基于链路状态机制的域间选路协议。
To improve scalability, convergence and route quality of inter-domain routing, a link-state based inter-domain routing protocol is designed.
华司组合机，液压自动铣槽机、钻尾螺丝机、选别机、深孔机、攻牙机、自动车床以及夹链胶袋头，及来图订做各类机机械。
Our main products include washer assembly machines, hydraulic automatic slot milling machines, check weighers, deep-hole drilling machines, and zip lock bags. We can also customize various machines.
本文用悬链线单元模拟主缆，通过选代计算了主缆的线形及下料长度。
In this paper, the curve and fabrication length of the main cable which is modelled through catenary elements are calculated with the iterative method.
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