...物 VOCs；平均浓度；化学反应活性；污染富集；珠江三角洲 [gap=1970]Key words： ozone precursor VOCs； mean concentration； chemical reactivity； pollution enrichment； Pearl River Delta ..
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mean concentration function [数] 平均集中函数 ; 平均集中度函数
Geometric Mean Concentration 抗体几何平均浓度 ; 几何平均浓度
annual mean concentration 年平均浓度
mean corpuscular hemoglobin concentration 平均细胞血红蛋白浓度 ; 红细胞平均血红蛋白浓度 ; 平均血红蛋白浓度
daily mean concentration 日平均浓度
mean concentration method 平均浓度法
Geometry Mean Concentration 几何平均浓度
Geometrical Mean Concentration 几何平均浓度
long term mean concentration 长期平均浓度
Air quality is represented by annual mean concentration of fine particulate matter (PM10 and PM2.5, i.e. particles smaller than 10 or 2.5 microns).
空气质量用年平均细颗粒物的浓度表示(PM 10至PM 2.5，即粒径小于等于10或2.5微米的细颗粒)。
Because of these fluctuations, estimating the annual mean concentration of radon in indoor air requires measurements of mean radon concentrations for at least three months.
鉴于这种起伏，估算室内空气中氡的年平均浓度需要对氡的平均浓度至少进行三个月的测定。
It was showed that the mean concentration and accumulated amounts of runoff losses of nitrogen were highly correlated with N-application rates.
结果显示，随施氮量增加，农田径流液中氮素的平均浓度和氮素径流累积流失量提高，两者间呈显著正相关。
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