an average of中文翻译、an average of是什么意思、发音、用法及例句

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  an average of

  英:

  美:

  常用释义:

  平均数:表示一组数据的平均值。

  平均是…

  1、The price of a PC has fallen by

  an average of

  25% a year since 1982.───自1982年以来,个人计算机的单价年均下降25%。

  2、An average of ten students are absent each day.───平均每天有十名学生缺席.

  3、It carried

  an average of

  2.3 million passengers per weekday in 1998.───一九九八年内,地下铁路平日的平均载客量达230万人次.

  4、Doctors work

  an average of

  90 hours a week, while a few are on call for up to 120 hours.───医生们平均每周工作90个小时,而有些出诊长达120个小时。

  5、Corn was

  an average of

  two a bushel last year.───去年谷物平均每蒲式尔两美元.

  6、An average of two students are absent each day.───每天平均有两个学生缺席.

  7、In the autumn of 1940 London was blitzed by

  an average of

  two hundred aircraft a night.───1940年秋,伦敦平均每晚遭到200架飞机的空袭。

  8、An average of 4 - spinal cord decompression was performed on all 30 patients.───所有30名患者均接受平均4个节段的脊髓减压.

  9、The industrial exhibition clocked

  an average of

  5000 visitors a day.───据统计工业展览会参观人数平均每日五千人.

  10、Kelly had scored

  an average of

  147 on three separate IQ tests.───凯利在3项不同的智商测试中平均得分147。

  11、They went to the theatre on

  an average of

  10.3 times a year.───他们平均每年去剧院十点三次.

  12、It takes

  an average of

  ten weeks for a house sale to be completed.───平均需要10周的时间才能完成一幢房子的销售。

  13、This area is hit by

  an average of

  about 5 hailstorms a year.───这个地区平均每年遭受大约五次冰雹袭击.

  14、An average of one new star is born in our galaxy each year.───平均每年在我们的星系中诞生一颗新的恒星.

  15、The boats remain at sea for

  an average of

  ten days at a time.───这些船只每次在海上平均航行10天。

  16、An average of 1500 persons pass here every day.───每天平均有1500个人经过此地.

  17、Doctors work

  an average of

  90 hours a week, while a few are on call for up to 120 hours.───医生每星期平均工作90个小时,有几个24小时候命,达到了每周120个小时.

  18、The boats remain at sea for

  an average of

  ten days at a time.───这些船平均每次在海上呆10天。

  1、average Joe───普通人;平常人

  2、ban the sale of───禁止出售

  3、in virtue of───由于;凭借

  4、average out───最终得到平衡;达到平均数

  5、unaverage───adj.出众的;杰出的,不寻常的

  6、to average out───平均

  7、on average───平均;普通,通常

  8、in charge of───负责;主管

  9、to average───平均

  年均40000

  是不是这道题

  last year the number of students who graduated with a driving licence reached 200000,an ____of 4000

  ...an (increase) of 4000.

  去年毕业时已获得驾照的学生达到了20万人,增长了4000人。

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