“differential birth rate”概念、定义、翻译-科学时代

单词	differential birth rate
释义	人口学词汇手册 differential birth rate 差别出生率
随便看	utilitarianism utilitarianism utilitarianism utilitarianism utilitarianism utilitarianism utilitarianism utilitarianism utilitarianism utilitarian marriage utilitarian need utilitarian organization utilitarian stitch utilitarian theory utilities services utility utility utility utility utility utility utility utility utility utility

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。