For instance, the project aims to add 29 rail lines (31,000 miles of track) linking the cities on which riders can use a single fare card.
举例来说，这一项目将新建29条总长31000英里的铁路，连接所有城市，并使用单一车票。
Hundreds of miles of new roads and rail track are speeding up transport.
数百英里的新修道路和铁轨加快了运输效率。
The new route involves expanding a rail track that runs through a large swath of residential areas.
新线路需要扩建一条穿过大片居民区的轨道。
Rail connection bolts loose, resulting in track displacement, will also cause the tower.
轨道连接螺栓松动，造成轨道位移，也会引起倒塔。
Watson is a red desert moonscape on the Nullarbor Plain at the eastern end of the world's longest stretch of straight rail track, 478km (297 miles).
沃森火车站是纳勒博平原上一个荒凉的红色沙漠景点，位于世界上最长的直线铁路(478 km或297英里)东线的末端。
Steel rail is an important component of track structure, and is also the primary infrastructure of high speed railway.
钢轨是轨道结构的重要部件，是高速铁路重要的基础设施。
The key is that to resolve the interaction between bridge and track, that the mechanics model of this interaction, as well as rail longitudinal resistance to displacement between rail and beam.
轨道结构与桥梁共同作用的力学计算模型是解决轨道纵向位移阻力与梁轨相对位移相互作用计算问题的关键。
There are 2 rail dual beam bridge, for pad beam pad on each node truss should get off track, on the edge of the I-beam to pad.
双梁桥架上有2根轨道，用于桁梁应垫梁应垫在各节点处，下车轨道边上的工字钢也要垫好。
Research purposes: This paper discussed the problems about the track damping design of urban rail transit.
研究目的：探讨城市轨道交通轨道减振设计的有关问题。
This article introduce the application of mobile rail gas pressure welding technology in the track maintenance of Shanghai Metro, and bring forward this technology is applicable and worthy to spread.
本文介绍了移动式钢轨气压焊接技术在上海地铁轨道维修中的应用，表明移动式钢轨气压焊接技术适合地铁维修施工，值得推广运用。
An image acquisition and processing system designed for rail track flaw detection is presented.
介绍一种用于铁路轨道缺陷检测的图像采集与处理系统的硬件设计和软件开发。
Robert Stevens, one of Col. John Stevens' sons, invented the T-rail, the form of railroad track in use today throughout the World.
罗伯特·史蒂文斯上校，约翰·史蒂文斯的儿子之一，发明的T -铁路，是当今世界所使用铁轨的雏形。
The research results provide references for engineering design and applications of urban light rail prestressed concrete track girders as well as establishment of correlative codes.
研究成果为我国城市轻轨预应力混凝土轨道梁的工程设计与应用及有关规范的编制提供了依据和参考。
Research purposes: By analyzing the effect on impact force between wheel and rail by track irregularity, technical evidences on limit of irregularity on rail welded joints are provided.
研究目的：为了研究轨道不平顺对轮轨作用力的影响，从而为钢轨焊接接头不平顺限值提供技术依据。
This paper postulates the importance of track maintenance in urban rail transit by describing the characteristics of railway lines, the track structure damage by the motion of trains, etc.
从城轨交通线路的主要特征、列车运行时对轨道结构破坏等方面，说明轨道维修工作的必要性。
The paper analyzes the reason for the rail connection squished and recommends the process of restoring the track applying the built-up welding technology.
分析铝电解多功能天车轨道接头局部压溃的原因，介绍采用手工堆焊工艺修复方案之全过程。
It may decrease fatigue damage causing by rolling contact and side damage on track and prolong rail service life 0.5 ~ 1 time by means of grinding rail track.
通过对钢轨的修磨可减少由于滚动接触疲劳引起的钢轨损伤，减少钢轨侧面磨损，可延长钢轨的使用寿命0.5 ~1倍。
The rate of rail creep lengthening is not the same at the different time after the new rail laying on the track.
得出新钢轨上道后的不同时期，其蠕变伸长速率是不同的。
The pearlitic rail steel was widely used as rail track in China for its prominent performance in anti-wearing and high yield strength.
珠光体轨道钢是目前我国铁路轨道采用的主要钢种，其性能特点是抗磨损性能好，屈服强度高。
This research has a certain reference and application values for urban rail transit design and railway track structure design.
提出了一些降低轨道结构噪声与振动的有效方法和结构形式。
Rail track geometric irregularities are the concrete embodiment of track structure deterioration, and give an expression to the comprehensive performance of track members.
轨道几何平顺状态是轨道结构部件综合性能的表现，直接反映了轨道质量状态的优劣。
The quenched rail laid on the track shows that the quenched rail with jetting air has better shelling resistance than that with mist cooling.
线路铺设使用也表明，喷风淬火钢轨比喷雾淬火钢轨具有更好的抗剥离性。
The rate of rail creep lengthening at the beginning after rail laying on the track is greater than that of the afterward time.
新钢轨上道后的前期，蠕变伸长速率较大，以后逐步降低。
Orbital floor and must closely focus on the ground, in order to prevent the ground rail track bending deformation after loading.
轨道底面与地面必须紧密着力，不得有虚跨间隙，以防止地轨轨道载荷后弯曲变形。
The changing of track stiffness affects wheel-rail dynamic forces and track dynamic geometry performance simultaneously.
轨道刚度变化同时影响着轮轨动荷载和轨道动态几何形位的变化。
The changing of track stiffness affects wheel-rail dynamic forces and track dynamic geometry performance simultaneously.
轨道刚度变化同时影响着轮轨动荷载和轨道动态几何形位的变化。
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