“出生性别比”的概念、定义、翻译、参考文献-科学参考

单词	出生性别比
释义	出生性别比 Encyclopedia 法学生育率释 sex ratio at birth出生性别比在特定的时间和空间范围内出生时的活产男婴数与活产女婴数之比。又称出生人口性别比、第一性别比。
随便看	Tan Fuying Tang tang Tanga Tang'an Dongzhai Tang and Song Ci History Tang and Song Eminent Scholars' Categorized Comments on Poetry Tanganyika Tanganyika African Association Tanganyika African National Union Tanganyika Federation of Labor Unions Tanganyika Lake Tang Ao Tang Aoqing Tanga Region Tangbai River tangbao(traditional Chinese opera poster) Tang Benzhong Tangbo Huimengbei Tangbu (account book of opera troupes in Jiangsu and Zhejiang provinces) Tang Caichang Tang Cheng Tang Chongti Tang Dabai Tang Dai

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