“三时代划分制--（石铜铁）三时代划分制”概念、定义、翻译-科学时代

单词	三时代划分制--（石铜铁）三时代划分制
释义	人类学词汇手册 three age system （石铜铁）三时代划分制
随便看	Christian democracy Christian Democrat Christian Democratic International Christian Democratic Union Christian Democratic Union Party Christian Dietrich Christian dogmatics Christian education Christian Era Christian ethics Christian existentialism Christian fundamentalism Christian Gnostics Christianism Christianity Christianity Christianity Christianity Christianity Christianity Today Christian Methodist Episcopal Church Christian philosophy Christian Science Christian Science Christian Science Monitor

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。

three age system