demographic transition

基本解釋

• n. 人口轉(zhuǎn)變，人口過渡

英漢例句

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

• demographic transition更多例句

詞組短語

短語

• period of demographic transition [社科]人口轉(zhuǎn)化期
• theory of demographic transition 人口轉(zhuǎn)變論
• Demographic Transition in Europe 全球人口增長問題第七講歐洲人口統(tǒng)計學的變革死亡率下降
• The demographic transition model 人口統(tǒng)計變遷模型
• demographic transition pattern 人口轉(zhuǎn)變類型

• demographic transition更多詞組

專業(yè)釋義

藝術(shù)學

• 人口轉(zhuǎn)變

  First we illustrate the demographic transition of the nations and regions of East Asia by establishing the demographic transition index.
  首先通過構(gòu)建人口轉(zhuǎn)變指數(shù)刻畫了東亞國家和地區(qū)人口轉(zhuǎn)變的“不同步性”——三個梯隊。

  經(jīng)濟學

• 人口轉(zhuǎn)變

  By using demographic theory and demographic transition theory, it introduced causes, development status and future trends comprehensively and systematically.
  本章利用人口結(jié)構(gòu)理論和人口轉(zhuǎn)變理論,全面、系統(tǒng)的介紹了中國人口老齡化的成因、發(fā)展現(xiàn)狀、以及未來的發(fā)展趨勢。

  地球科學

• 人口過渡
• 人口轉(zhuǎn)折