fertility rate
英
美
- fertility n.【C】肥沃；(人)繁殖力；(思想等的)丰富
- rate n.比率；速度；价格；费用；等级v.认为；估价；定等级；值得；怒斥；责骂
Noun:
-
the ratio of live births in an area to the population of that area; expressed per 1000 population per year
用作名词 (n.)
- The birth rate of the whole world is astonishing.
全世界的人口出生率简直惊人。
- But whatever the cause, it seems to mean fertility rates can overshoot downwards.
然而不管原因是什么，看起来都表示人口出生率下降过头了。
- But they had the effect of increasing fertility.
但它们却产生了促进生育率的效应。
- Nugent says statistics on the fertility rate were also revealing.
认为生育率的统计书数也是很有启迪意义的。
