The changing trend of vehicle tail gas pollution in Kunming is analyzed by investigating the impacts on air quality from tail gas emission.
通过昆明市当前机动车尾气污染对城市空气质量的影响，分析其变化趋势。
Current pollution status as well as changing trend of functional area noise, traffic noise and regional noise in urban areas of cities of Jiangsu Province was analysed.
综合分析江苏省省辖市市区声环境功能区噪声、道路交通噪声、区域环境噪声污染现状、污染趋势及改善对策。
Current pollution status as well as changing trend of functional area noise, traffic noise and regional noise in urban areas of cities of Jiangsu Province was analysed.
综合分析江苏省省辖市市区声环境功能区噪声、道路交通噪声、区域环境噪声污染现状、污染趋势及改善对策。
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