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- Important changes include the global spread of air pollution, increases in the concentration of tropospheric oxidants, stratospheric ozone depletion, and global waning and climate changes. 重大的变化包括全球空气污染覆盖;对流层氧化物浓度的增加;平流层臭氧减少;全球变暖和气候变化.
- The formula for appearance distance of maximal concentration on the ground between two small distance chimneys was deducted from the formula of ground concentration of air pollutants. 通过大气污染物地面浓度计算公式,导出两根小间距烟囱大气污染物最大落地浓度出现距离的计算式,并给出二分法求解最大落地浓度及其出现距离的方法。
- The Forecast Program of Long-term Average Concentration of Air Pollutant and Its Application 大气污染物长期平均浓度预测程序的编制及应用
- The concentration of air pollutants 空气污染物的浓度
- ground-level concentration of air pollution 地面空气污染浓度
- To put it simply, that's because of air pollution. 简言之,那是因为空气污染的缘故。
- He made a speech on the subject of air pollution. 他以空气污染为题发表了一篇演说。
- Areas subject to PSD regulation are divided into three classes, and maximum allowable increases in ambient concentrations of air pollutants, above initial baseline concentrations, are defined for each class. 服从《防止大气质量严重恶化》规章的地区可被划为三类，大气污染物密度提高的最大允许值以及超过基线密度的，都被划归各类等级。
- These factorys make a large range of air pollution. 这些工厂造成了很大范围的空气污染。
- These factroies make a large area of air polluted. 这些工厂造成了很大范围的空气污染。
- concentration of air pollutant 空气污染浓度
- The problem of air pollution and acid rain are likely to worsen. 空气污染和酸雨的问题可能会更加严重。
- No place in the world is completely free of air pollution. 世界上没有一个地方彻底摆脱空气污染。
- Noise pollution, for instance, is an extension of air pollution. 比如，噪音污染，便是空气污染的一种延伸。
- It is urgent that the acute problem of air pollution in the city be solved. 该城市空气污染这一严重问题急须解决。
- Method for Predicating Concentrations of Air Pollutants in Tunnels 隧道内空气污染物浓度预测方法
- The present distribution of abatement of air pollutant in our country can not balance the equity and efficiency very well. 分配的评价标准就是公平与效率,而我国目前的大气污染物削减量分配并不能很好兼顾公平与效率。
- There is a concentration of people in big cities. 大城市人口集中。
- Birds are also at risk for lung cancer, as well as pneumonia, because their respiratory systems are hypersensitive to any type of air pollutant. 鸟类也有罹患肺癌及肺炎的风险，因为牠们的呼吸系统对任何一种空气污染物都很敏感。
- Although every city and concentration of pollutant and air pollution on human health threat level, but some major aspects of the same, but on air quality detection technology needs more and more. 尽管各个城市里污染物的组成和浓度以及空气污染对居民健康的威胁程度有所不同，但某些主要方面却大同小异，因此对空气质量检测技术的需要越来越多。
