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收藏Mendeley Data2024-03-27 更新2024-06-28 收录
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http://www.icpsr.umich.edu/icpsrweb/ICPSR/studies/8157
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资源简介：
Two sampling rates were employed. In incorporated places of less than 2,500 persons, half of all housing units and persons in group quarters were included. In all other places, one-sixth of the housing units or persons in group quarters were sampled.
创建时间：
2023-06-28
