“standard fertility rate”概念、定义、翻译-科学时代

单词	standard fertility rate
释义	人口学词汇手册 standard fertility rate 标准生育率
随便看	cross-post cross posting cross-power spectrum cross-power spectrum cross price elasticity cross-price elasticity cross-price elasticity of demand cross prisms cross process cross product cross product cross product cross product of vectors cross profile cross profile cross-profile method cross-promotion cross protection cross-pumped laser cross range cross rate cross rate cross rate cross rate cross rate--cross rate（of exchange）

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。