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
- 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。 - 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。 - 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。 - 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 - Since our country fertility rate change always all has close relationship with the birth civilization development.
摘要我国的生育率变化一直以来都与生育文明的发展有着密切的关系。 - 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）。 - 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。 - 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。 - 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。 - 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。