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第一次人口转变
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第一次人口转变
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人口转变
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first demographic transition
第一次人口转变
人口出生率、死亡率和自然增长率从传统的“高出生(率)、高死亡(率)、低增长(率)”,经历“高出生(率)、低死亡(率)、高增长(率)”的转换过渡,转变为“低出生(率)、低死亡(率)、低增长(率)”的现代人口再生产类型的历史演变过程。
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