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1·It is significative that chaos theory is applied in ambient air quality prediction.

本文将混沌理论应用于大气环境质量预测，是非常有意义的一项工作。

2·From 2001 to 2004, the city ambient air quality of the north China had been improved evidently.

2004年，北方大部份城市空气质量有明显改善。

3·Major areas are ambient air quality, acid deposition, atmospheric aerosol, and vehicular air pollution.

环境空气质量、酸沉降、大气气溶胶和机动车空气污染。

4·Certain key aspects of abatement planning are best addressed through the use of an ambient air quality model.

消除污染的计划相当关键的方面最好通过应用环境模式来提出。

5·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。

6·The results obtained suggest no significant threat to ambient air quality from the application of methanol-gasoline fuel.

结果表明，应用甲醇-汽油燃料不足以造成对公路旁环境的威胁。

7·BGI samplers will provide the EPA with data to monitor the ambient air quality to protect both the environment and population.

BGI采样器将为美国环保署提供相应的空气质量数据，保护环境和当地居民。

8·NAAQS (National Ambient Air Quality Standards) define attainment and protect human health by setting a limit on SO2 concentration nationwide.

国家环境空气质量标准规定了全国的二氧化硫浓度限值来保护人民健康。

9·In 2004, 210 cities exceeded the Class 2 limit values of the National Ambient Air Quality Standard (NAAQS) within the total 342 monitored cities.

2004年，受监测的342个城市中有210个城市的空气质量超过了国家环境空气质量标准的二级标准。

10·Ambient air quality monitoring network and optimizing selection method of ambient air quality trend's monitoring site in Jiangsu were introduced.

介绍了江苏省环境空气监测网络的构成和环境空气质量趋势监测点的优选方法。