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
- With its rapidly ageing population and falling fertility rate, China is facing a pensions crisis.
随着人口快速老龄化和出生率的下降，中国正面临一场养老金危机。 - 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）。 - Identification of the Total Fertility Rate for the Distributed Parameter Control System of Population
一类人口分布参数系统的总和生育率的同定问题 - Census officials said the current fertility rate was 1.7.
人口普查官员表示，目前的生育率为1.7。 - Without the measure, the fertility rate is only expected to fall to 2.1 by 2030, delaying by a decade the benefits of demographic transition.
如果没有这项措施，菲律宾女性生育率预计要到2030年才能降到2.1，“人口条件转变”带来的好处也会推迟十年到来。 - Total age-specific fertility rate ( TFR) population model of China and its alarm forecasting
我国人口增长的总和生育率模型及人口预警 - 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。 - 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 - 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。 - 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。