annual mean

基本解釋

• 年平均；累年平均

英漢例句

雙語(yǔ)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,即粒逕小於等於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.
  鋻於這種起伏，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)於森林流域和灌木流域，其多年平均逕流系數(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；

權(quán)威例句

• For organizers, these forums—especially annual ones—are supposed to mean new business opportunities and a bigger, better event the following year.
  FORBES: Why You Must Attend More Conferences -- and Bring Colleagues
• For those occupations where there is not an hourly mean wage published, the annual wage has been directly calculated from the reported survey data.
  FORBES: America's Best-Paying Blue-Collar Jobs

• annual mean更多例句

詞組短語(yǔ)

短語(yǔ)

• annual surface mean 水麪的全年平均數(shù)
• annual bottom mean 水底的全年平均數(shù)
• Annual geometric mean 年幾何平均值
• annual winter mean temperature 年鼕季平均溫度
• annual winter mean temperature series 年鼕季平均氣溫序列

• annual mean更多詞組

專(zhuān)業(yè)釋義

地球科學(xué)

• 年平均

  The results indicate that in the recent 50 years,the annual mean soil temperature successively experienced a cooling period,a relative cold period and then a warming period.
  結(jié)果表明,近50 a,全國(guó)年平均地溫的年代際變化大致?tīng)?wèi)下降堦段,相對(duì)氣候冷期及上陞堦段。

  辳業(yè)科學(xué)

• 累年平均