air pollution trend 中文意思是什麼
air pollution trend
解釋
空氣污染趨勢-
The data collected at the station in 2003 show an upward trend of air pollutant concentrations similar to that recorded at the general air quality monitoring station in kwai chung, a district with land use ( an urban area with mixed residential, commercial and industrial developments ) similar to that in kwun tong. therefore, the upward trend of ambient air pollution is not a localised phenomenon peculiar to a particular district
(二)及(三)位於觀塘區的空氣監測站,屬於一般空氣監測站,其於2003年所收集得的數據,跟位於土地用途相若地區的葵涌監測站所錄得的空氣污染物濃度均有上升趨勢,所以這不是一個局部地區現象。
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