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年鄭州大氣汙染的主要監測指標爲依據，分析了鄭州市大氣汙染的現狀、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年紹興大氣汙染的主要監測指標爲依據，分析了紹興城市大氣汙染的現狀、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.
一家科技公司透露稱，他們在十衹鴿子背上綁上了汙染監測器，在未來三天監測倫敦空氣汙染情況。

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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