时期，发现联邦住房抵押贷款项目在二战后美国人口增长中发挥了一定作用。
As global birthrates hit historic lows, researchers looked back at the baby-boom era and found federal mortgage programs played a part in the U.S. population upswing after World War II.
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在全球出生率降至历史低点之际，研究人员回顾了婴儿潮As global birthrates hit historic lows, researchers looked back at the baby-boom
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