“人口机会窗口”的概念、定义、翻译、参考文献-科学参考

单词	人口机会窗口
释义	人口机会窗口 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	Shanxi Huoshan Provincial Nature Reserve Shanxi Hydro-Junction Shanxi Institute of Ancient Architecture Conservation Shanxi Jinci Temple Holy Mother Hall renovation project Shanxi Lingchuan Taxus chinensis Nature Reserve Shanxi Lingchuan Xiaohuiling Erxian Temple repair project Shanxi Lingjing Gou Provincial Nature Reserve Shanxi Lingkong Shan National Nature Reserve Shanxi Lingqiu Ciconia nigra Provincial Nature Reserve Shanxi Lishan National Nature Reserve Shanxi Liuleng Shan Provincial Nature Reserve Shanxi Longxian Brachymystax lenok tsinlingensis National Nature Rreserve Shanxi Lueyang Valuable and Rare Aquatic Animals National Nature Reserve Shanxi Luya Shan National Nature Preserve Shanxi Mengxinnao Provincial Nature Reserve Shanxi Mian Shan Provincial Nature Reserve Shanxi Museum Shanxi Museum of Geology Shanxi Nature Museum Shanxi Niubeiliang National Nature Reserve Shanxi opera Shanxi opera music Shanxi Pangquangou National Nature Reserve Shanxi People’s Arts Theatre Shanxi Poly Grand Theatre

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。