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

单词	duration-specific fertility rate
释义	人口学词汇手册 duration-specific fertility rate 已婚年数别生育率
随便看	retrace retrace retrace blanking retracement retracing retract retract retractable retractable landing gear retractable radiator retractation retracted retracting a confession retracting die retraction retraction retraction retraction stress retractive force retractometry retractor retractor retractor retraining retraining

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。