air pollution monitor

基本解释

Based on Zhengzhou 2000-2002 air pollution monitor index, analyzing the present situation, the character and the cause of Zhengzhou's air pollution.
以2000-2002年郑州大气污染的主要监测指标为依据，分析了郑州市大气污染的现状、特征及原因。
Based on Shaoxing 2003~2005 air pollution monitor index, the present situation, the character and the cause of Shaoxing's air pollution were analyzed.
以2003～2005年绍兴大气污染的主要监测指标为依据，分析了绍兴城市大气污染的现状、特征及原因。
A technology company has revealed it is strapping pollution-monitoring backpacks onto ten pigeons in London to monitor air pollution over the next three days.
一家科技公司透露称，他们在十只鸽子背上绑上了污染监测器，在未来三天监测伦敦空气污染情况。

The American Lung Association's study ranks the air quality of 900 counties and more than 200 U.S. Census-defined Metropolitan Statistical Areas and Combined Statistical Areas--cities and their surrounding suburbs--where an air pollution monitor is present.
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