The outdoor air pollution is most common in low-income, urban areas and is caused by vehicle emissions, heavy use of fossil fuels, dust and burning of waste, the report said.
报告指出，室外空气污染由汽车尾气排放、大量使用化石燃料、粉尘和焚烧垃圾引起，在低收入的城市地区最为常见。
To mitigate the urban heat island effect, developers are also required to take account of air ventilation in urban areas.
为了减轻城市热岛效应，开发商还必须在市区内考虑空气流通状况。
More than 80% of people living in urban areas are exposed to unsafe air quality, according to a report released by the World Health Organization Thursday.
世界卫生组织星期四发表的一份报告说，80%以上的城镇地区居民呼吸的空气不安全。
Second, , with the ever growing number of cars, air quality in urban areas is deteriorating with each passing day.
第二点，随着轿车数量无休止的增长，城市中的空气质量正日趋恶化。
Results can be widely used in ambient air quality analysis, air quality assessment and forecast of urban areas.
该统计结果可广泛用于城区空气环境质量分析、空气环境质量评价及预测。
Second, with the ever growing number of cars, air quality in urban areas is deteriorating with each passing day.
第二点，随着轿车数目无停止的增长，城市中的空气质量正日趋恶化。
GIS is applied to air pollution emergency in urban areas. The figured technology of atmosphere diffusion model is studied.
将地理信息系统应用于城市突发性的大气污染事故，对大气扩散模型的图形技术进行开发研究。
People in urban areas are suffering more and more from the polluted air. As the picture depicts, two …
那个什么两个汽车三个人关于尾气排放环境污染的图画作文。
People in urban areas are suffering more and more from the polluted air. As the picture depicts, two …
那个什么两个汽车三个人关于尾气排放环境污染的图画作文。
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