淬火钢轨由于其优良的使用性能，在铁路运营线路上使用得越来越多。
The superior properties of quenched rail have prompted its extensive use on operating railway tracks.
跨座式单轨交通是城市轨道交通的一种形式，目前，在重庆市有运营线路。
Straddle-Monorail is a form of Urban rail Transit. At present, Chongqing has monorail lines in operation.
当地的公交线路运营良好，四通八达。
李丰华说，东方航空和新加坡航空的一大运营优势在于它们的重合线路很少；
One operational advantage for China Eastern and SIA is that they have few overlapping routes, Mr. Li said.
电报线路提供了类似的经济挑战——很高的启动资本和很低的边际运营成本。
Telegraph lines presented a similar economic challenge-high start-up capital and low marginal operating costs.
这次收归国有与上一次该线路的运营商(GNER)失去合同仅仅隔了两年。
This comes just two years after the previous operator on the line, GNER, lost its contract.
今日BT的危难，在2002年联网泡沫破灭时就早已埋下埋下祸种——债台高筑的BT变卖了大部分国际资产和旗下的移动通讯产业，剩下的部分和当年私有化时非常相像：固定线路的运营在竞争对手和监管机构的双重压力下苟延残喘。
The origins of BT’s present crisis lie in its previous crisis in 2002, after the dotcom crash. Saddled with debt, the firm sold most of its international assets and span off its mobile operation.
但在9月25日，这条线路将停止运营。
中国是第一个也是唯一一个在传统轨道线路上，拥有最高运营时速达到350公里的商业高速列车运行服务的国家。
China is the first and only country to have commercial high-speed train service on conventional rail lines that can reach a top operational speed of 350 km/h.
通过合作，两家公司认为能够针对电信运营商开发综合类产品，力争在固定线路、宽带网络、无线和电视业务等方面将销售翻两番。
By joining forces, the companies believe they can develop integrated products for telecoms operators vying to sell a "quadruple play" of fixed-line, broadband Internet, wireless and television.
收集上来的食用油通过提炼，最终变成生物柴油，为运营在该市12条线路上的快速公车提供燃料。
The collected cooking oil is refined and recycled for use as biodiesel fuel (BDF) in the very same buses, which run on 12 routes through the city.
来往于伦敦和这条线上其他城市间的旅程时间将会缩短；南北铁路线主线之一的线路运营能力不足问题也将避免。
Journey times between London and other cities will fall; a capacity shortfall on one of the main north-south rail routes will be avoided.
令人吃惊的是，以这个产业里的巨头们，不论是移动运营商还是有线电视公司，似乎对其用户的流失不甚关心，而它们占据了20%的固定线路市场份额。
Surprisingly, the industry's heavyweights do not seem to be too worried about losing landlines, whether to mobile operators or cable companies, which now have 20% of the landline market.
铺到每户的铜芯电话线路作为运输业运营商进行管制。
The copper telephone line that ran to every house was regulated as a common carrier.
我们希望运营一条去那的线路，但将只是单对的光纤，”斯科梅尔说，并且补充说索霍网络最初建立就是因为电信运营商不能提供这种小众服务。
We'd like to run a fibre out there, but it would only be a single pair, " says Scammel, adding that Sohonet was originally set up because the telcos couldn't offer the kind of niche service he does.
中国两家固定线路运营商中国电信和中国网通正在遭遇用户流失，由于移动电话既可以提供本地通话服务，也可以提供廉价的基于因特网的长途通话服务。
China's two fixed-line operators, China Telecom and China Netcom, are suffering as consumers defect to mobile phones for local calls and to cheap internet-based services for long-distance calls.
18世纪，美国各州将电报线路视作运输业运营商，责成运营商以连续的费率承发来自任意个人和任意其他线路的电报。
American states in the late 19th century treated telegraph lines as common carriers, obliging them to carry dispatches from any person and from any other line at consistent rates.
与此同时，在大型建筑物的屋顶上，运营商正安装无线路由器来把大约20%以上的高峰期流量转移到Wi - Fi上去。
Up on the roofs of large buildings, meanwhile, the carriers are installing wireless routers to offload about 20 percent or more of the peak traffic to Wi-Fi.
负责运营亚特兰大市所有的公交和火车运营的亚特兰大都市快速运输委员会（MARTA)下一财年面临着7千万美元的预算赤字，并正计划取消113条公交线路中的40条。
The Metropolitan Atlanta Rapid Transport Authority (MARTA), which runs the city’s buses and trains, is facing a $70m deficit next year, and will eliminate 40 of its 131 bus lines.
固定线路运营商因此扩展在宽带互联网、基于Web的有线电视和其他服务方面的业务。
Fixed-line carriers have responded by expanding into broadband Internet, Web-based cable television and other services.
看到这种情况，美国富商查尔斯。耶基斯买下许多条不同的线路并成立了地铁集团，以试图改进当时的铁路运营系统。
Having seen the situation, a wealthy American businessman, Charles Yerkes, tried to improve the system by buying many of the different lines and setting up the Underground Group.
轨道交通线路运营单位负责其运营范围内轨道交通运营的日常管理工作。
The CRC line operating unit is responsible for the routine management work of CRC operation within its operation scope.
五个月以前，中国电信分成两个地方性的运营商以加强全国范围内固定线路电话和数据通信方面的竞争。
Five months ago, China Telecom was split into two regional operators to encourage nationwide competition in fixed-line telephony and data communications.
李丰华说，东方航空和新加坡航空的一大运营优势在于它们的重合线路很少；
One operational advantage for China Eastern and SIA is that they have few overlapping routes, Mr. Li said.
杰伊：当我搬到这里时，地铁1号线和2号线在运营。当时两条线路都没有完全完工。
Jay: When I moved here, subway lines 1 & 2 were running. At that time both lines were not even complete.
为此建立了电力线路建设费用和运营费用的数学模型，导出了导线经济截面的新计算方法。
For this reason, a mathematical model of construction & operation costs for power transmission lines is set up, and some calculation examples are given as well.
“我们正在维护自己的权益，确保在这个线路已运营的列车能够安全的运行，在这些线路上跨州运行的列车一定不能收到影响。”他说。
"We are defending our interests to ensure that the pre-existing, safe movement of trains engaged in interstate commerce can continue on our land without interference," he said.
既有桥台加固是控制工期、确保线路正常运营的关键。
Consolidation of existing abutments is key to ensuring construction period and normal operation of railway line.
既有桥台加固是控制工期、确保线路正常运营的关键。
Consolidation of existing abutments is key to ensuring construction period and normal operation of railway line.
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