annual mean

常見(jiàn)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(zhì)量用年平均細(xì)顆粒物的濃度表示（PM10至PM2.5,即粒徑小于等于10或2.5微米的細(xì)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.
鑒于這種起伏，估算室內(nèi)空氣中氡的年平均濃度需要對(duì)氡的平均濃度至少進(jìn)行三個(gè)月的測(cè)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(duì)于森林流域和灌木流域，其多年平均徑流系數(shù)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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