“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	Hemu system hemu system of Li nationality He Naimin He Nan Henan Henan Art Center Henan Art Museum Henan bantou tunes Henan Children’s Library Henan County Henan County Site of Han Dynasty Henan Daily Press Group Henan Danjiang Wetland National Nature Reserve Henandao Henan Dongzhai National Nature Reserve Henan Funiushan National Nature Reserve Henan Geological Museum Henan-Jiangbei Branch Secretariat Henan Jigongshan National Nature Reserve Henan Liankang Shan National Nature Reserve Henan Longshan Culture Henan Luoyang 12·25 Dongdu commercial building fire Henan Luoyang Sui and Tang Luoyang ancient city site protection exhibition project Henan Modern Drama Theatre Henan modern landscape architecture

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