“old stone age”的概念、定义、翻译、参考文献-科学参考

单词	old stone age
释义	old stone age Encyclopedia 理学第四纪古生态释 palaeolithic; palaeolithic age; old stone age旧石器时代从人类能制造并使用工具开始到距今约1万年前。在地质时代上涵盖上新世晚期（距今约330万年前以后）和整个更新世。
随便看	Art Appraisals art appreciation art archaeology art archives management Art as an Institution art as a symbol of feeling artascope Art as Experience art association art as therapy art as vehicle art auction industry Artavastan art background art bank art brand Art Brut Art Business Company art categories Art Center College of Design Art Circle Weekly Art cognitive psychology art collection art colour Art commonness

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。