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中文摘要：
基于捕获-再捕获模型构造双系统估计量,并分别采用普查和事后计数调查以及普查和行政记录双系统对人口数进行模拟估计.研究结果表明依据不同系统数据来源所估计的真实人口数是有差异的.在估计真实人口数的方法中,目前我国使用普查和行政记录这一双系统具有优势.
英文摘要：
A dual system estimator was established based on capture-recapture model. And a simulation of population estimate was conducted by means of the census and post-enumeration survey system, and census and administrative records system. The results show that estimates of the true population are different according to different system data sources. The article points out the current use of census and administrative records system has its advantages.
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