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demographer是什么意思？
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  • 英英词典释义

demographer

英[dɪ'mɒɡrəfə(r)] 美[dɪ'mɒɡrəfə(r)]
  • 复数：demographers;
    • 相关单词 demographers
    例句
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    柯林斯高阶英汉双解学习词典释义
    • N-UNCOUNT
      人口学;人口统计学
      Demography is the study of the changes in numbers of births, deaths, marriages, and cases of disease in a community over a period of time.
    英英词典释义
    • Noun
      1. a scientist who studies the growth and density of populations and their vital statistics