demographic transition

常見例句

雙語例句

• In Europe and North America this demographic transition began in earnest around 1870.
  在歐洲和北美這個人口過渡開始于1870年左右。
• In China family planning policies had “accelerated the process of demographic transition”.
  在中國，計劃生育政策“加速了這種人口過渡過程”。
• To assess the effects of the demographic transition, the two researchers split the sample into women born before 1870 and those born in or after it.
  為了評估人口過渡的影響，這兩名研究員分頭對在1870年前和在這時及之后進行生產(chǎn)的婦女進行取樣。

權(quán)威例句

• The demographic transition, according to this analysis, is a shift from r-type to K-type behaviour.
  ECONOMIST: Why, as people get richer, do they have fewer children?
• And that does not include any benefits that might come from the demographic transition.
  ECONOMIST: Vaccination
• This is because such countries have moved furthest along the demographic transition from poor, high-fertility status to richer, low-fertility status.
  ECONOMIST: African child mortality
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