“旧石器时代”的概念、定义、翻译、参考文献-科学参考

单词	旧石器时代
释义	旧石器时代 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	agricultural products fair price supermarket agricultural products logistics distribution center agricultural products market agricultural products market services agricultural products revenue insurance agricultural products support price policy agricultural protection policy agricultural public service platform agricultural radio and television school agricultural radio frequency identification agricultural radioisotope tracer technique agricultural region agricultural regionalization agricultural regional structure policy agricultural remnant membrane agricultural remote sensing agricultural residues agricultural resource and environment Agricultural Resource and Environment Sciences agricultural resource distribution agricultural resources agricultural resources environment agricultural robot agricultural rodent control Agricultural Rodent Pests in Southwest China

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。