“population opportunity window”的概念、定义、翻译、参考文献-科学参考

单词	population opportunity window
释义	population opportunity window Encyclopedia 理学人口统计学释 population opportunity window人口机会窗口总人口“中间大，两头小”的结构，使得劳动力供给充足，而且社会负担相对较轻，对社会经济发展十分有利的时期。所谓“中间大”，是指15～64岁的劳动适龄人口规模大；所谓“两头小”，是指0～14岁的青少年人口和65岁及以上的老年人口规模小。
随便看	methods for eliminating international double taxation Methods for Entrepreneurial Project Management Methods for final project payment Methods for Project Cost Estimate Methods for Project Critical Path Management Methods for project human resources planning Methods for Project Management of Innovation Methods for Project Risk Identification Methods for Project Risk Measurement Methods for Research and Development Project Management methods for seed dormancy breaking of herbage species methods for solving solitary wave equations methods for terminating pregnancy in domestic animals methods for the compilation of urban planning methods of accident statistic and analysis methods of archaeological mapping methods of calculation of energy bands in solids methods of costume design methods of criminal psychology research methods of detailed planning methods of determining hydrodynamic coefficient methods of dialectical logic methods of electromagnetic measurements methods of environmental analysis methods of health maintenance in sexual intercourse

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