In the years that have followed, more and more rail systems have been put in, dramatically changing the nature of the city.
在接下来的几年里，越来越多的铁路系统投入使用，从而极大地改变了城市的自然面貌。
A combination of public policy decisions and corporate scheming saw to it that countless convenient and efficient urban streetcar and intra-city rail systems were dismantled.
公共政策决定和企业策划相结合，而这导致了无数便捷高效的城市有轨电车和城市内部的铁路系统被拆除。
He points out that both Hong Kong and Zurich have managed to make a success of their rail systems, heavy and light respectively, though there are few cities in the world as hilly.
他指出，尽管世界上很少有城市像香港和苏黎世那样多山，但香港和苏黎世都成功地建设了各自的轻铁和重铁系统。
Where are the new opportunities in signalling for urban rail systems?
城市铁路用信号系统市场上，哪里存有新市场机会？
In the meantime concerns about impacts to buildings and rail systems continue.
在此期间，人们仍将担心下沉对建筑物和铁路系统的影响。
Rail systems in Germany, Austria, Switzerland, Sweden and Norway all use electrical power at low frequency.
德国，奥地利，瑞士，瑞典和挪威的铁路系统都使用低频率电力。
ON power plant to the lower frequency used by rail systems in central Europe - from 50 hertz (Hz) to 16.7 Hz.
ON电厂产生的电力频率转换成在中欧铁路系统所使用的更低频率——50赫兹到16.7赫兹。
Norwegian Rail Systems NRS AS is a foreign buyer from Norway, need to purchase products of Telecommunications etc. categories.
该公司是一家来自挪威的买家，需要购买的产品类别包括：通讯产品等行业。
Airports and seaports, power plants, pipelines, tunnels, roads and rail systems, mines and more - you name it, Bechtel has built it.
机场和港口，电厂，管道，隧道，铁路以及铁路系统，矿场等等——但凡你想得到的建筑，柏克德都建过。
The precast segmental construction technique is widely used in the viaduct structures for both vehicular and light rail systems.
预制节段拼装连续梁桥可广泛应用于高架桥和轻轨等建设项目。
Roads, airports and rail systems are improved while a number of stadiums become white elephants and lingering sporting benefits remain indistinct.
公路、机场和铁路系统得到了改善，而大量的体育馆变成了沉重的负担，迟缓的体育受益仍然不明朗。
The use of DC electricity is another source of static electric fields, e.g. rail systems using DC, and televisions and computer screens with cathode ray tubes.
使用直流电是产生静电磁场的另一个原因，例如铁路系统使用直流电，电视和计算机屏幕带有阴极放射管。
While Britain, France and Germany all have passenger rail systems that account for about 6-8 percent of total annual passenger travel miles, Amtrak carries less than 1 percent.
在欧洲，英国、法国和德国的客运铁路系统占乘客年度总旅行长度的6%-8%，而美铁则占了不到1%。
Japan, India and China have taken on the material trappings of modernism: skyscrapers, rail systems, telecoms networks, parliaments, judiciaries and, in some cases, ballot boxes.
日本、印度和中国呈现出了现代主义的物质外表：摩天大楼、轨道交通系统、电信网络、议会、司法体系以及(在某些情况下)投票箱。
Still, the proposed U.S. projects have their work cut out for them if they hope to match the speed and popularity of established high-speed rail systems in other parts of the world.
但是如果美国想赶上世界其他地区的高速铁路速度以及普及程度还有不少工作要面对。
Take mass transit. The Obama stimulus would designate a chunk of money for the upgrading or expansion of mass transit systems, in part through the purchase of new subway and light rail cars.
以公共交通为例，奥巴马的刺激计划将提供公共交通系统升级和扩大的资金，用于购买新地铁车厢和轻轨车厢。
The plan is to shift to efficient, low carbon bus rapid transit systems and light rail, and to retire old buses and replace them with lower carbon alternatives, such as hybrid vehicles.
城市交通规划的目标是向节能、低碳型快速公交系统转变，淘汰老旧公交车，用混合动力车等低碳车辆对其进行更换。
Several regions of the US are planning high-speed electric rail services to cut pressure on congested road and air transport systems.
美国部分地区正在规划修建高速铁路，以缓解严重的公路拥堵和空中交通压力。
Through joint debugging and commissioning of systems, a range of technical performances, like safety, reliability and stability of the design of all rail transit systems, are tested and evaluated.
通过系统联调联试工作，测试、评价轨道交通各系统设计的安全性、可靠性、平稳性等一系列技术性能。
Concern over air pollution has revived interest in light-rail transit and has led to regional mass transit systems.
对空气污染的忧虑使人们对轻轨运输重新产生兴趣，促成了地方性运输系统。
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。
From the perspective of systems engineering, Fault Tree analysis method which is widely used in system security study is used for analysis of urban rail transit accident.
从系统工程学的角度出发，将广泛应用于系统安全研究中的事故树分析方法应用到城市轨道交通事故分析中。
This course describes the evolution and role of urban public transportation modes, systems, and services, focussing on bus and rail.
本课程介绍了城市公共交通的模式、系统组成及服务的演变和作用，尤其关注巴士交通和轨道交通。
Other lines of business include on-board systems for rail vehicles, platform door systems.
克诺尔的其它业务范围还包括轨道交通的车上系统和站台屏蔽门系统。
Other lines of business include on-board systems for rail vehicles, platform door systems.
克诺尔的其它业务范围还包括轨道交通的车上系统和站台屏蔽门系统。
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