英语词汇“demographic transition”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

demographic transition n. a change from high birth and death rates to low ones, and hence an older population, in a society in the wake of industrialization and social change.

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1944 Population Index 10 7 Owing to the effects of the demographic transition, which have resulted in rapid declines in the proportion of children in the population, most of Europe is now in a period of relatively light dependency burdens.

1944 Land Policy Rev. Winter 4/2 Demographic transition from high mortality and high fertility to low mortality and low fertility is well advanced in the nations of Western civilization.

1993 Sci. Amer. Dec. 35/3 In..many other Third World nations, the pervasive adoption of family-planning methods and dissemination of new ideas have caused fertility to decline so rapidly that it may be more accurate to speak of a reproductive revolution rather than a demographic transition.

2012 Mint (Nexis) 26 Nov. What is concerning demographers is that the demographic transition—from a youthful nation to an older one—is happening much faster than anticipated.

单词	demographic transition
释义	> as lemmas demographic transition demographic transition n. a change from high birth and death rates to low ones, and hence an older population, in a society in the wake of industrialization and social change. ΚΠ 1944 Population Index 10 7 Owing to the effects of the demographic transition, which have resulted in rapid declines in the proportion of children in the population, most of Europe is now in a period of relatively light dependency burdens. 1944 Land Policy Rev. Winter 4/2 Demographic transition from high mortality and high fertility to low mortality and low fertility is well advanced in the nations of Western civilization. 1993 Sci. Amer. Dec. 35/3 In..many other Third World nations, the pervasive adoption of family-planning methods and dissemination of new ideas have caused fertility to decline so rapidly that it may be more accurate to speak of a reproductive revolution rather than a demographic transition. 2012 Mint (Nexis) 26 Nov. What is concerning demographers is that the demographic transition—from a youthful nation to an older one—is happening much faster than anticipated. extracted from demographicadj.n. < as lemmas
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> as lemmas