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生育率

  • n.fertility rate; birth rate
  • 网络TFR; fertility krate; Completed Fertility

生育率生育率
英-汉网络释义

生育率

fertility rate

生育率(Fertility Rate)是指不同时期、不同地区妇女或育龄妇女的实际生育水平或生育子女的数量。生育率的孩次结构，是生育 …

TFR

以近十年之内全球平均生育率（TFR）来看，若需要维持人口均衡，平均每位妇女必须生育2.1个子女；近期的统计或许稍有异 …

birth rate

Rate | Chinese Dictionary ... 折扣率 capitalization rate;discount rate 生育率 birth rate 折旧率 rate of deprecation ...

fertility krate

专业词汇在线翻译、医学专业在线词典... ... 生殖因子 fertility inhibition 生育率 fertility krate 生育维生素 fertilityvitamin ...

Completed Fertility

图3 是西欧、北欧部分国家及美国的终身生育率(Completed Fertility) 情况。终身生育率是同一批妇女在育龄期结束时平均每人 …

Natality rate

土木工程编译词汇N-1|土木工程免费在线词典... ... 窄轨 Narrow gauge 生育率 Natality rate 国有林 Natinal forest ...

GFR

生育率(GFR)

例句：
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That number, the so-called replacement rate, is usually taken to be the level at which the population eventually stops growing.
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The recent CASS report said the rate that would be expected if women had exactly as many children as allowed would be 1. 47.
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According to one study of the results, fertility in the areas that received help declined by around 15% more than in those that did not.
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The ONS said the rise reflected both an increase in the number of women of child-bearing age and in fertility.
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But the policy has almost certainly reduced fertility below the level to which it would have fallen anyway.
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Moderating fertility in Africa might boost the economy or help stressed local environments. But it would not solve global problems.
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Demographers used to say that fertility rates only fell when women got educated and the economy got rich.
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Of course, having twins automatically increases a mother's lifetime fertility by one, relative to her number of pregnancies.
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The CASS study calls for a "prompt" change of policy to get the fertility rate up to around the "replacement level" of 2. 1.
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By the early 1970s, fertilityrates around the world had begun dropping faster than anyone had anticipated.
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On a larger scale, during the 1990s there was a dramatic decline in teenage birth rates in the US, especially among African Americans.
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The government claims the fertility rate, the number of children an average woman is expected to have over the course of her life, is 1. 8.
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Finally the paper discusses impact of migration on fertility in areas of origin, areas of destination and for China as a whole.
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What they uncovered was "a fundamental change in the well-established negative relationship between fertility and development. "
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This meant a birth abnormality rate of this size should be seen as "a public health issue. "
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Falling fertility in poor and middle-income societies is a boon in and of itself.
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