控制城市交通的新系统已经设计出来。
A new system has been devised to control traffic in the city.
它应该被冲入排水沟，流入城市的巨大排污系统。
It is supposed to be washed down the gutter and into the city's vast sewerage system.
最近对古玛雅水资源管理的研究发现，一些城市的城市建筑被用来分流降雨径流到相互连接的水库的重力补给系统中。
Recent studies of ancient Maya water management have found that the urban architecture of some cities was used to divert rainfall runoff into gravity-fed systems of interconnected reservoirs.
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。
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.
公路网的支持者通常会反对拥有良好公共交通的城市模式，他们认为这样的系统在他们所在的城市行不通。
It is common for supporters of road networks to reject the models of cities with good public transport by arguing that such systems would not work in their particular 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。
In the years that have followed, more and more rail systems have been put in, dramatically changing the nature of the city.
城市规划师决定建一个地下排水系统。
The city planner decided to build an underground drainage system.
GPS系统对于那些在陌生城市寻找目的地的人来说，作用很大。
The GPS system is of great use to whoever wants to find his destination in a strange city.
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。
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.
位于西雅图东部的贝尔维尤是一个快速发展的城市，它使用了一个在十字路口信号周围越来越受欢迎的系统，该系统可以根据交通状况实时调整。
Bellevue, a fast growing city, just east of Seattle, uses a system that is gaining popularity around the intersection signals that can adjust in real time to traffic conditions.
人们需要更多的能源支持更大的城市运转和经济增长，从而导致了水坝的建设，随之而来的生态系统的洪水，以及污染物的排放增加。
The need for more energy to power larger cities and economic growth therein leads to the construction of dams, the consequent flooding of ecosystems, and increased emissions of pollutants.
到2020年底，我国46个城市将建成垃圾分类系统。
By the end of 2020, garbage-sorting systems will be set up in 46 cities around the country.
它们还将采用更有效的运输系统以改善城市绩效。
They would also employ more efficient transport systems to improve city performance.
但是快速公交系统不一定对每个城市都适用。
But bus rapid transit systems are not the answer for every city.
一个城市的通勤铁路系统都是从市中心向外分支，走得越远，道路越少。
The commuter-rail system of a city ramifies from the centre. The farther out you go, the sparser it is.
几个城市安装了动态收费系统，按交通流量收费不同。
Several cities have installed dynamic toll systems whose charges vary according to traffic flow.
好的交通系统能使城市更干净、更有效率，而且更便利。
Good transportation systems make a city cleaner, more efficient and more convenient.
我们的城市有着很好的地铁系统，它可以缓解堵车现象。
Our city has a very good subway system, which should help to alleviate big traffic jams.
目前城市铁路系统总长115公里，地铁总长54公里。
The city's current metro rail system is 115 kilometers, with 54 kilometers of subway.
新加坡也有可能成为首个引进道路实时动态收费系统的城市。
Singapore may also become the first city to introduce real-time dynamic pricing on its roads.
还有一个额外的好处，那就是这个系统可以将城市废水净化，然后排放到大海里。
As an added bonus, the system purifies waste water now being pumped into the ocean.
这个法案也将有助于MARTA - - -亚特兰大狼狈不堪的城市交通系统。
The bill will also help MARTA, Atlanta's woefully inadequate urban-rail system.
现代交通感应城市控制(TUC)系统又将公共交通纳入其中。
Modern traffic-responsive Urban Control (TUC) additionally takes public transport into account.
城市防洪堤系统的破坏让水淹没了整个城市的80%。
Breaks in the city's levee system flooded 80 percent of the city with water.
一项研究表明，与村民相比，照明系统良好的城市居民更有可能发胖——即使饮食量相同。
According to a study, those living in well-lit towns or cities are more likely to become obese than country dwellers - even if they eat the same amount.
该图表展示了六个城市地铁系统的特点。
The table demonstrates the features of the underground railway systems in 6 cities.
目前的罗马WikiCity项目的目标有点像2006年时做的RealTimeRome的一种续集，解决如下问题：“你能拥有执行实时控制系统的城市吗？”
The goal of the WikiCity Rome project, which was a kind of sequel to the real time Rome project in 2006, is to answer this question: "Can you have a city that performs as a real time control system?"
WikiCity是个想像中具有opensource即时系统的城市。
WikiCity is described as an open source real-time system for a city.
一个城市的生态系统是怎样的？
一个城市的生态系统是怎样的？
应用推荐