In DC rail transit systems, the running rails are usually used as the return conductor for traction current.
城市轨道交通的供电系统一般采用直流供电，并以轨道作为回流的通路。
Successive governments have permitted such increases on the grounds that the cost of investing in and running the rail network should be borne by those who use it, rather than the general taxpayer.
历届政府都允许这种增长，理由是投资和运营铁路网络的成本应由使用者承担，而不是一般纳税人。
An electrical breakdown had snarled train traffic on the Northeast rail corridor over the weekend, but everything was running smoothly for the holiday, Cole said.
考尔还说，上个周末东北铁路干线电力停工造成了铁路交通混乱，但每个节假日一切都运行正常。
One hare, which Alstom has set running, concerns Interfleet, a consultant on high-speed rail projects.
一个兔子，阿尔斯通公司已经让它跑起来，这里指的是国际铁路顾问公司（Interfleet），一家高速铁路项目咨询公司。
At home, Mom would be unpacking boxes of decorations, putting out the stable and the manger, running garland up the stair rail.
在家里，妈妈会打开盛着装饰品的箱子，清理马厩和马槽，把花环挂上楼梯栏杆。
The nation's mainline rail network is set to reach 120,000 kilometers under a 2.8 trillion yuan, five-year investment plan running through 2015.
2015年内完成的五年计划中，这个国家将斥资2.8万亿元人民币，将主线铁路轨道总长增至12万千米。
The nation's mainline rail network is set to reach 120, 000 kilometers under a 2.8 trillion yuan, five-year investment plan running through 2015.
2015年内完成的五年计划中，这个国家将斥资2.8万亿元人民币，将主线铁路轨道总长增至12万千米。
GPS (Global Position system) is an effective way employed in urban rail transit systems to guarantee the safe and fast running of trains.
卫星定位系统(GPS)是解决城市轨道交通中列车安全快速运行的有效手段。
On top of that was the 67-mile high-speed rail link, running through south London and Kent - the Garden of England.
紧连着它的是67英里高速铁路联络线，穿过南部伦敦和肯特郡——英国的肥田沃土。
I was running near the rail, can catch me, catch me! But I am not your cane.
我是奔流旁边的栏杆，能抓紧我的人，抓住我吧！可我不是你们的拐杖。
To ensure the normal running of the screen cleaner, more reasonable technology on installing and welding the lead rail were adopted, and anticorrosion treatment of the lead rail was carried out.
对导轨的安装和焊接采用了合理的工艺，还对导轨进行了防腐处理，从而保证了清污机的正常运行。
Urban Rail trains running in the city on the ground floor, ground or elevated railway on the public transport.
城市轨道车辆非反在城市外运行于地上、地里或许上架铁道上的儿同交通运输工具。
Entrusted sprocket, supporting wheels, wheel and rail links and so on, in the long running process, there will be a certain degree of wear and tear.
杂谈托链轮、支重轮、驱动轮及轨链节等，在长时间的运转过程中，会出现一定程度的磨损。
Usually, rapid public transport and large volume of traffic with electric energy power and by wheel running mode is referred to as rail traffic.
通常以电能为动力，采取轮轨运转方式的快速大运量公共交通总称为轨道交通。
Only after getting the contours of wheels and rail, and combining the two together, the effect of geometric contact conditions on the running performance of operating railway cars can be obtained.
只有掌握了车轮和轨道的轮廓型面，并将两者相结合，才可能掌握几何接触状况对铁路运营车辆的运行性能所产生的影响。
All three places had a good Labour supply and running costs were comparable, although I guess Plymouth is slightly cheaper - while being the furthest by road and rail from London.
这三个地方都具备良好的劳动力供给而且运行成本具有可比性。虽然我猜想普利茅斯会稍微便宜一些—然而这是离伦敦公路和铁路最远的地方。
The lead rail was worn out while the screen cleaner running in the bar screen room of Dayong Water Plant.
大涌水厂格栅间的清污机在运行中出现了导轨磨穿问题。
Subsequently, the effects of subgrade freeze-thaw condition, running speed and width of rail gap on the vibratory load from trains were investigated.
据此，研究了北麓河试验段路基冻融状态、列车行驶速度、轨缝宽度对路基列车行驶振动荷载的影响。
The influence of train running speed, wheel-rail friction coefficient, vehicle load, track geometric irregularity, partly load, gauge and the shape of wheel tread on derailment was emphasized.
论文重点分析了车辆运行速度、轮轨摩擦系数、车辆载重、轨道几何不平顺、偏载、轨距大小、车轮踏面形状等因素对脱轨的影响。
By running the program based on vehicle-rail coupling dynamics, compute the dynamic response of elastic sleeper ballasted rail and common sleeper ballasted rail under same working condition.
利用车辆-轨道耦合动力学理论所编制的程序，计算弹性轨枕有碴轨道与普通轨枕有碴轨道在相同工况下的动力响应。
The wheel-rail force produced by the running of certain metro vehicle is calculated by wheel-rail coupling model.
利用轮轨耦合模型，计算某城市地铁列车运行时产生的轮轨力。
The principle of the project is that the wheel tread will generate the impact load that induce deformation of rail when the train running.
它是通过测量列车在运行过程中车轮踏面与钢轨接触时产生的冲击载荷引起的钢轨形变来检测车轮踏面擦伤。
The principle of the project is that the wheel tread will generate the impact load that induce deformation of rail when the train running.
它是通过测量列车在运行过程中车轮踏面与钢轨接触时产生的冲击载荷引起的钢轨形变来检测车轮踏面擦伤。
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