ENNUI
发表于 2025-3-28 15:52:09
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使尴尬
发表于 2025-3-28 22:15:00
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主动脉
发表于 2025-3-29 02:21:11
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Eclampsia
发表于 2025-3-29 05:33:15
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Fortuitous
发表于 2025-3-29 10:17:56
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贞洁
发表于 2025-3-29 12:38:19
A Case of An Almost Complete Demographic Transition: South Africag demography of South Africa from 1980 to 2015, and looks ahead to 2050. Using conventional metrics, the demographic window opened in South Africa in 2009, and will remain open beyond 2050. However, the pace of demographic change historically has been so slow that there has been (and will be) no ‘yo
磨碎
发表于 2025-3-29 17:37:09
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Encephalitis
发表于 2025-3-29 20:27:33
Countries with Fertility Transitions in Progressertility transition has begun in recent years (Benin, Ghana, Gabon, Kenya, and Rwanda). The analysis is based mainly on the description of the socio-economic context and the data of the Demographic and Health Surveys (DHS) in these countries. Overall, it appears that the current level of fertility r
Mosaic
发表于 2025-3-30 03:38:15
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Pamphlet
发表于 2025-3-30 06:58:56
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