ambient air sample的用法和樣例：
例句
- The developed technique is applied to ambient air and automobile exhaust analysis.
將研究所得的技術(shù)應用于環(huán)境空氣和汽車(chē)廢氣的分析。 - Elements which influence the urban traffic air, we design a index system and construct the grey decision model to assess the Quality of the air.
分析城市交通環(huán)境空氣影響因素，設計一套評價(jià)指標體系，并建立了環(huán)境大氣質(zhì)量評價(jià)的灰色決策模型。
