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demography
dɪmɒgrəfi dɪˈmɑgrəfi
Word forms: plural demographers
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. 人口学;人口统计学
demographer
  • ...a politically astute economist and demographer.

    有着敏锐政治头脑的经济学家和人口学家

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