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- Compared with the previous year, the urban air quality remains unchanged. 与上年相比，城市空气质量基本持平。
- Compared with the previous year,the urban air quality remains unchanged. 与上年相比，城市空气质量基本持平。
- Urban Air In the 341 cities being monitored, 114 of them have attained or are better than the national standards for Grade II, accounting for 33.4%. 城市空气监测的341个城市中，114个城市达到或优于国家空气质量二级标准，占统计城市数的33.;4%25。
- Mr KU For example, urban rivers is a watercourse is a "gas" Road to improve urban air quality is essential. 顾先生举例说，城市河流不仅仅是一条水道，也是一条“气”道，对改善城市空气质量至关重要。
- We have testified that its precision is much too higher than other methods on calculating urban air stabilization. 证明了应用该方法求大气稳定度的精度明显高于应用其它方法的精度;
- Urban Air In the 341 cities being monitored,114 of them have attained or are better than the national standards for Grade II,accounting for 33.4%. 城市空气监测的341个城市中，114个城市达到或优于国家空气质量二级标准，占统计城市数的33.;4%25。
- Bioassays on the skin, subcutaneous tissue, cervix, and trachea of experimental animals have shown that particulate matter of urban air can be carcinogenic in the intact animal. 对实验动物的皮肤、皮下组织、颈和气管的生物鉴定表明，城市空气中的颗粒物质对健康动物可能是致癌的。
- China needs to move away from coal if it is to reduce urban air pollution. Increasing gas utilisation is the answer, but how will this be supplied? 中国要减少城市空气污染,就须寻找煤炭的替代燃料。增加天然气的利用可为一解决方案。但如何维持其供给呢?
- Several compounds that are carcinogenic to animals have been identified in urban air in all large cities in which surveys have been conducted. 在考察过的所有大城市的空气中，已鉴定出几种化合物对动物是致癌的。
- The best way to improve urban air may be to curb the use of cars, even though modem cars are far cleaner than earlier ones. 改善城市空气质量最好的办法可能还是控制汽车的使用,尽管现代汽车比以前的汽车污染要小得多。
- G. P. Cobb, and R. S. Braman, 1995,“Relationships between Nitrous Acid and Other Nitrogen Oxides in Urban Air”, Chemosphere, 31, pp.2945-2957. 张君正，张木彬，1994，“氮氧化物生成机制与控制技术之探讨”，工业污染防治，第50期。
- With urban air pollution being more and more serious, it is very important that how to use plant to purified air pollutant. 摘要随着城市大气污染的日益严重，如何利用植物来净化大气污染物越来越受到广泛关注。
- The room is equipped with air conditioning. 这个房间装有空调设备。
- The urban air quality was graded and density index of environment quality was calculated to obtain corresponding assessment results. 同时,对阜新市大气环境质量进行了评价,计算出阜新市环境质量浓度指数并得到相应的评价结果。
- He equipped his car with air conditioning. 他给他的汽车装了空调。
- By the then,the clean and efficient energy types should play a prominent role in energy mix,to help achieve the goal of a world-level top urban air quality. 2008年全市煤炭消费量应该控制在1500万吨以下，其中市区燃料用煤控制在850万吨左右，取消终端燃煤。
- I want to buy a set of air conditioning. 我想买一台空调。
- Urban Air Quality in Key Environmental Protection Cities In the 47 key environmental protection cities,19 of them have attained the Grade II standards for urban air quality. 环保重点城市空气质量47个环保重点城市中，19个城市环境空气质量达到空气质量二级标准。
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。
