annual mean

常见例句

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).
空氣質量用年平均細顆粒物的濃度表示（PM10至PM2.5,即粒逕小於等於10或2.5微米的細顆粒）。
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.
鋻於這種起伏，估算室內空氣中氡的年平均濃度需要對氡的平均濃度至少進行三個月的測定。
For forest watershed and shrub watershed, the annual mean runoff coefficient was affected by mean annual precipitation, mean annual evapotranspiration and mean slope grade.
對於森林流域和灌木流域，其多年平均逕流系數主要受多年平均降水量、多年平均蒸散量和平均坡度共同影響；

For organizers, these forums—especially annual ones—are supposed to mean new business opportunities and a bigger, better event the following year.
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For those occupations where there is not an hourly mean wage published, the annual wage has been directly calculated from the reported survey data.
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