This is important auspice in theory of well running of city construction system.

为城市建设系统的良性运行提供了重要的理论支持。

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Construction crews are working around-the-clock to build the tram system, which will link city center to seaside venues.

建筑工人正夜以继日地建造从中心城区连向海边比赛场馆的此项有轨交通系统。

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Improving the automated control and management level of street lamp with advanced technology has become more and more important during the construction of city Road lighting system.

采用先进技术提高路灯自动化控制与管理水平，已经在城市道路照明系统建设当中发挥着越来越重要的作用。

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The next decade will see the construction of a city-wide rail system and air-conditioned stadiums, so matches can be played during the scorching hot summer, as well as an entirely modular stadium in Doha Port that will be disassembled after the World Cup and sent on to the next host country.

BBC: Living in: Doha

That came after the collapse of a bridge that was under construction as part of the city's mass-rapid transport system in September last year, killing one person.

WSJ: Death Toll in Mumbai Building Collapse Hits 74

That came after the collapse of a bridge that was under construction as part of the city's mass-rapid transport system in September last year, killing at least one person and injuring several.

WSJ: Building Collapse Kills 50 in Mumbai Suburb