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
- 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。 - 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。 - The fertility rate is rising nicely at the moment, but if we cannot offer younger generations a bright future, there is every likelihood they will not provide the grandchildren to fund our old age security.
目前，英国生育率上升的势头不错，但如果我们不能为后面几代人提供美好的未来，他们很有可能将不会养育子孙，来给我们提供老年保障。 - 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）。 - 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。 - High fertility rate is a big problem but one of the biggest problems is the early onset of the first pregnancy, and maternal death and child death is greatly enhanced if the mother is young.
高人口出生率是一个大问题，但是最大的问题之一是首次怀孕过早，如果母亲太年轻，母婴死亡率将极大地增加。 - After a steady decline for almost a whole decade, the country's fertility rate shows signs of leveling off.
全国的生育率在连续下降了近10年后，现在出现了稳定的趋势。 - 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。 - 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。 - 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