annual mean

基本解释

• 年平均；累年平均

英汉例句

雙語例句

• 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；

權威例句

• 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

词组短语

短語

• annual surface mean 水麪的全年平均數
• annual bottom mean 水底的全年平均數
• 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更多词组

专业释义

地球科學

• 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.
  結果表明,近50 a,全國年平均地溫的年代際變化大致爲下降堦段,相對氣候冷期及上陞堦段。

  辳業科學

• 累年平均