可商量
发表于 2025-3-23 13:02:54
Social Upheaval and Fertility Declinecessitate. This is explained by the persistence of cultural supports or “props” fashioned in an earlier era and implies that fertility is likely to decline if there is a major social upheaval such as is constituted by a revolution or defeat in a total war. The proposition has recently been put forwa
Decrepit
发表于 2025-3-23 16:35:35
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ARENA
发表于 2025-3-23 18:10:59
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云状
发表于 2025-3-24 01:27:12
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无王时期,
发表于 2025-3-24 03:53:17
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斜
发表于 2025-3-24 09:52:59
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STALL
发表于 2025-3-24 12:16:45
Salman Ahmed,Jianfu Zhang,Onan Demirelanthropologists with whose work they are most likely to be familiar. Typifying the demographer’s stance, van deWalle (1968b, p. 489) wrote: “Control of marital fertility by contraception, as we knowit today inWestern countries, is without doubt a fairly recent development.” He went on to conclude th
cancer
发表于 2025-3-24 18:15:07
Tomoya Takeda,Noriyuki Kida,Tadayuki Haraificant rise in mortality has been widely discussed and mostly supported over the last halfcentury. The case is found in the medical or epidemiological literature, especially that in the ecological tradition, and in works on anthropology and palaeodemography. This paper examines how these ideas deve
信徒
发表于 2025-3-24 21:11:31
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影响深远
发表于 2025-3-24 23:36:29
The Ten Characteristics of the Critical Taskve it. If it is not unique, then its most likely predecessors were probably found in the classical period, especially in Ancient Rome, or in Soong China or Tokugawa Japan (treated separately in Caldwell and Caldwell 2005). The reasons in the Roman Empire include the high level of urbanization, the e