The urban mass transit has the duality, the existence policy-type loss and the managerial loss.

城市公共交通具有二重性，存在政策性亏损和经营性亏损。

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Today, operation security and reliability of urban mass transit system becames an important problem one has to face.

城市轨道交通系统的运营安全和可靠性是必须面对的一个重要问题。

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A traction measurement system for urban mass transit vehicle based on the integrative virtual instrument technology is presented.

介绍一种应用于城市轨道交通车辆的牵引测试系统中的基于虚拟仪器技术的一体化测试的解决方案。

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Eighty billion dollars of that total was to be pumped into the U.S.economy to promote development of renewable energy, urban mass transit, high-speed rail systems and clean energy jobs.

VOA: standard.2010.02.25

He told delegates that steps such as setting tighter rules on car emissions, regulating for energy efficient goods and building urban mass transit systems are already having an impact that can be measured.

BBC: Climate ship plots course through the battering waves

Charging motorists for scarce road space, with most of the revenues being used to finance improvements in bus, rail or urban mass-transit systems, is the only sensible route to restraint.

ECONOMIST: Roads

That change in perception is providing more momentum for some cities that were already moving away from six-lane highways and suburbs dozens of miles apart, to a series of urban centers connected by light rail and other mass transit systems.

CNN: U.S. cities scrambling to meet rising mass transit demands