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人口与社会、经济问题的综合研究数量控制:21世纪中国人口生育政策导向…………………………………………………………叶文振(1·18)结构问题是21世纪中国人口的核心问题……………………………………………………………宋健(1·26)中国生育控制条件变化及生育控制实践应对思考
Population, social and economic issues: Quantitative control of population policy in China in the 21st century .................................................................. Ye Wenzhen (1.18) The structural problem is The core issue of China’s population in the 21st century .................................................................................... Song Jian (1.26) Considerations on the changes in the conditions of birth control and the birth control practices in China