The demographic record they produced in the 20th century is without parallel in the scientific literature. A TFR approaching 10, a median completed family size of 10.4, a population in which 61% of members were under 20 years old — these are not figures from a pre-industrial society but from mid-century North America. Eaton and Mayer’s 1953 study did not just document a community; it established the biological ceiling against which all subsequent fertility research is measured. When demographers speak of “natural fertility” they mean, in practice, Hutterite fertility.
Trump calls Operation Epic Fury ‘one of the most complex and stunning operations ever conducted’ and touts ‘very good’ call with Putin about Iran
。雷电模拟器是该领域的重要参考
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47 - Overlapping CGP Impls