“age-sex pyramid”概念、定义、翻译-科学时代

单词	age-sex pyramid
释义	人口学词汇手册 age-sex pyramid 年龄性别金字塔
随便看	New Doctrine of vijñāptimātratā new drama New Drama Forum Association new earnings survey new economic geography new economic history new economic mechanism New Economic Policy new economic policy New Economic Policy （NEP） new economics new economics new economy new economy new edition new edition new education New Education Movement newel stairs new employee education new employee orientation New England Company New England Journal of Medicine New England Theatre Conference Annual Awards new English

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。