OFF
发表于 2025-3-26 22:02:07
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会犯错误
发表于 2025-3-27 01:35:44
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critic
发表于 2025-3-27 06:08:32
,Schlüssel zu den Überfamilien,exponential growth is unsustainable beyond the narrow ranges of the population growth rate. When the growth rate deviates too far from the replacement level, either exploding or shrinking will occur and the balance between population and society will collapse. The principle of sustainable population
Estrogen
发表于 2025-3-27 13:15:47
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公猪
发表于 2025-3-27 16:54:04
https://doi.org/10.1007/978-94-010-1947-7g, below replacement level of fertility, and continual population decrease. The results of sensitive runs indicate that the maximum fertility, maximum lifespan, and migration are the keys to control the sustainability of population.
TSH582
发表于 2025-3-27 20:58:36
,Schlüssel zu den Überfamilien, bases and enable individual decision-making on the number of birth (children), including the option of having no child, and on the timing of family formation. For the forerunner countries, to recovery from low fertility to replacement level, two possible measures can be proposed; (1) social support
锡箔纸
发表于 2025-3-28 01:50:23
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gospel
发表于 2025-3-28 03:18:56
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ineffectual
发表于 2025-3-28 07:49:24
10楼
机密
发表于 2025-3-28 11:51:21
10楼