fertility rate
英 [fəˈtɪləti reɪt]
美 [fərˈtɪləti reɪt]
人口出生率，生育率
英英释义
noun
- the ratio of live births in an area to the population of that area
双语例句
- Additional underlying factors are a deeply rooted cultural preference for sons, a falling fertility rate, and the one-child policy.
其余的潜在因素就是根基很深的对于儿子的传统偏爱，下降的生育率和一个孩子政策。 - Its wealth and a famously healthy diet keep its people going to a ripe old age, while a low fertility rate means fewer young people to redress the balance.
正是由于该国的财富和除了出了名的健康饮食让其国民们都能长寿。一个较低的出生率意味着将会有更少的年轻人来保持平衡。 - China previously had a target fertility rate – the average number of children born to a woman over her lifetime – of 1.8.
中国此前有一个1.8的目标生育率（即一个女人一生平均生育的子女数量）。 - Experimental results also showed a positive correlation between percentage of functional pollen and fertility rate.
正常花粉率与稔实率相关极显著。 - Effect factors of oocyte fertility rate in routine in-vitro fertilization
常规IVF卵母细胞受精率影响因素的探讨 - There are fertility rate models that have been borrowed from the West, but also approaches and models that have been developed or modified by the Chinese scholars.
笔者从生育率度量指标和生育率模型两个方面总结我国生育率研究方法的应用及变化。 - A low fertility rate and increased life expectancy are the main reasons behind the rapid aging.
出生率低和人的寿命的增长是造成加拿大人口老年化速度增快的主要原因。 - Results of the advance tabulation of the Fifth National Population Census indicate that China has not only put its excessive population growth under effective control, but also entered the stage of a low fertility rate.
第五次全国人口普查快速汇总结果表明，中国不仅有效地控制了人口过快增长的势头，而且开始进入低生育水平的发展阶段。 - Last year Singapore's fertility rate fell to a record low of1.24 children per woman of childbearing age, one of the lowest in the world.
新加坡育龄妇女生育率去年降为1.24人，荡到新低点，是举世最低者之一。 - By comparison, the fertility rate in developed countries has been stable, or falling.
比较而言，发达国家的人口出生率已稳定下来，或者说在下降。