Urologist
发表于 2025-3-23 12:33:25
https://doi.org/10.1007/978-0-387-72141-5t fertility, mortality and migration rates will tend to converge to the same age distribution in the long-run. However, empirical evidence shows that these components of population-change vary over time and from country to country (UN 2017).
不如屎壳郎
发表于 2025-3-23 16:34:39
http://reply.papertrans.cn/39/3866/386515/386515_12.png
喷出
发表于 2025-3-23 19:13:11
http://reply.papertrans.cn/39/3866/386515/386515_13.png
纵欲
发表于 2025-3-23 22:27:12
Gender Dilemma: Difference and Equality,g nations?… The most persistent of these has been gender disparity, despite a relentless struggle to equalize opportunities between women and men. The unfinished agenda for change is considerable.
CLAIM
发表于 2025-3-24 05:54:28
http://reply.papertrans.cn/39/3866/386515/386515_15.png
吞吞吐吐
发表于 2025-3-24 08:40:31
http://reply.papertrans.cn/39/3866/386515/386515_16.png
嘲弄
发表于 2025-3-24 11:03:26
https://doi.org/10.1007/978-3-031-41904-1Human survival and longevity have changed dramatically over time. The importance of food availability to survival has been the subject of considerable discussion.
Amendment
发表于 2025-3-24 18:16:54
The Years of the Great Depression, 1929–34Migration has been a feature of human behaviour since pre-historic times.
atrophy
发表于 2025-3-24 19:51:16
http://reply.papertrans.cn/39/3866/386515/386515_19.png
Afflict
发表于 2025-3-25 00:17:07
http://reply.papertrans.cn/39/3866/386515/386515_20.png