Laconic
发表于 2025-3-23 11:18:01
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SPURN
发表于 2025-3-23 16:08:11
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玩忽职守
发表于 2025-3-23 21:56:01
https://doi.org/10.1007/978-1-349-23947-4contraception; demography; evolution; fertility; Fertility decline; Historical Demography; infertility; lab
碳水化合物
发表于 2025-3-23 23:23:47
Nutrition, Physical Workloads and Fertility Regulation,In both men and women the major steps in the endocrinological mechanisms underlying a successful reproductive issue are now well understood, even if there are still several aspects in its regulation and impairment under scrutiny.
PON
发表于 2025-3-24 02:28:42
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一夫一妻制
发表于 2025-3-24 07:01:28
Low Fertility in a Pastoral Population: Constraints or Choice?,ility, but their demographic régime does tend to differ from groups practising different subsistence strategies and fertility appears to rise on sedentarisation and the adoption of agriculture (Henin, 1968, 1969).
ensemble
发表于 2025-3-24 13:06:13
,English Fertility, 1600–1900: Is an Economic Analysis Tenable?,ses that a population could make to increasing economic strain. This strain was, in turn, caused by rapid population growth consequent upon the decline in mortality, which resulted from economic development.
逗留
发表于 2025-3-24 17:37:06
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使纠缠
发表于 2025-3-24 19:17:14
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启发
发表于 2025-3-25 01:56:26
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