“median age”概念、定义、翻译-科学时代

单词	median age
释义	人口学词汇手册 median age 中位年龄，年龄中位数
随便看	drifting population drifting sales management drifting weed drift instability drift lake basin driftmeter driftmeter drift method drift mobility drift mobility drift mobility drift-net drift-net fishing drift-net hauler drift-net shaker drift of pose accuracy drift of ship position drift of stars drift orbit drift parameter drift pillar drift rate drift rate drift round drift-sand

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。