Titlebook: Applied Mathematical Demography; Nathan Keyfitz Textbook 19852nd edition Springer-Verlag New York 1985 REFA.death.demography.development.f

藕床生厌倦

Indicative

确定无疑

Epilogue: How Do We Know the Facts of Demography?,in birth rates have a larger influence on the age distribution than do differences in death rates. They often claim that a poor country whose population is growing rapidly will increase its per capita income faster if it lowers its birth rate rather than maintaining it at a high level.

钝剑

APO

https://doi.org/10.1007/978-3-030-76043-4But male death rates at most ages are at least 50 percent higher than female rates. The ratio of male to female rates, simply averaged over the ages, may show males 80 percent higher; the average with living population as weights may show males 70 percent higher; with deaths as weights males may be

Ingenuity

capsaicin

我们的面粉

千篇一律

deciduous