The system has much practical significance in prediction, controlling and tackling the urban pollution problem.
该系统对城市大气环境污染预测、控制、治理等具有重要的实际意义。
Based on the scale of current urban residential and the importance of indoor air quality at homes, the problem of indoor air pollution of four cities in China was studied in this paper.
本论文从目前中国城市住宅的规模和住宅室内空气品质的重要性出发，对中国四城市的住宅室内空气污染问题进行研究。
With the development of highway transportation and urban road construction, the traffic noise pollution becomes very important problem.
随着公路建设和城市交通的飞速发展，交通噪声污染成为道路交通中不可忽视的问题。
The problem of urban traffic pollution is very complicated, there are several uncertain factors.
城市交通机动车污染问题非常复杂，有许多下可控因素。
The problem of air pollution is especially serious in urban areas.
空气污染问题在城市地区尤其严重。
The recovery and utilization of the intermediate water, which can prevent water pollution and protect environment, is an important way to solve the problem of the shortage of urban water resources.
中水回用可以防治水污染，保护水环境，也是解决城市水资源不足的一个重要途径。
To help tackle the problem of water pollution, we will look to develop options for the further improvement of the strategic sewage system which serves the main urban area.
为了减少海水污染，我们会研究进一步改良市区策略性污水处理系统的几个方案。
To help tackle the problem of water pollution, we will look to develop options for the further improvement of the strategic sewage system which serves the main urban area.
为了减少海水污染，我们会研究进一步改良市区策略性污水处理系统的几个方案。
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