生育率下降 meaning in Chinese

fertility decline

If fertility falls more slowly, future population growth will be faster and will continue longer .
假如生育率下降得更慢，那么人口增长将更快，延续时间也更长。
In germany , the drop has been alarming
在德国，生育率下降已经敲响警钟。
A quantitative study of the drop of birthrate and economic growth in yunnan
云南省生育率下降与经济增长的定量研究
Jin , x . , s . li , m . w . feldman , and c . zhu . ( 2001 ) , a survey of marriage and old - age support in songzi , china . unpublished research report
严梅福、石人炳: 《中国农村婚嫁模式在生育率下降中的作用》 , 《中国人口科学》 , 1996年第5期
17 . when fertility drops to a particularly low level below replacement and the mortality rate remains low , the pace of population aging inevitably quickens
17 .若生育率下降至远低于更替水平，而死亡率继续维持在低水平，人口老化无可避免会加快。