“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	The Song Dynasty mausoleum the Song Dynasty notes the Songjiang Eighteen Scholars Society The Song of Chile The Song of Chinese Revolution The Song of Everlasting Sorrow The Song of Hiawatha The Song of Igor’s Campaign The Song of Kumarbi the Song of Lei Feng The Song of Los The Song of Marfanto The Song of Red Flowers The Song of Songs The Song of the Earth The Song of the Goddess The Song of the Old China The Song of Yesterday The Song of Youth the song with stepping dance The Son of Man The Sorrows of Young Werther The Soul of China The soul of the Yellow River The Souls of Black Folk

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