average pollutant concentration
average pollutant concentration
平均污染物浓度
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Differential optical absorption spectroscopy (DOAS) makes use of the flue gas pollutant different optical absorption characteristic at the UV-VIS wave band to measure their average concentration.
差分吸收光谱法是利用气体污染物在UV - VIS波段对光有不同的吸收特性来测量其平均浓度。
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