annual mean

基本解释

• 年平均；累年平均

英汉例句

双语例句

• 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).
  空气质量用年平均细颗粒物的浓度表示（PM10至PM2.5,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。
• For forest watershed and shrub watershed, the annual mean runoff coefficient was affected by mean annual precipitation, mean annual evapotranspiration and mean slope grade.
  对于森林流域和灌木流域，其多年平均径流系数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响；

权威例句

• 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

短语

• annual surface mean 水面的全年平均数
• annual bottom mean 水底的全年平均数
• Annual geometric mean 年几何平均值
• annual winter mean temperature 年冬季平均温度
• annual winter mean temperature series 年冬季平均气温序列

• annual mean更多词组

专业释义

地球科学

• 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.
  结果表明,近50 a,全国年平均地温的年代际变化大致为下降阶段,相对气候冷期及上升阶段。

  农业科学

• 累年平均