“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	price policy of agricultural products price quality differences of agricultural produce price regulation price regulation fund system price restriction policy for agricultural products price revolution of Europe in the 16th century price scaling law price scissors Price-Service Duration Matrix prices for irrigation water price skimming behavior Price's law prices of grass products price squeeze price stability price statistics price subsidies price support policy price system of agricultural products price tax regulation price theorem price theory price-to-book ratio price-to-book ratio model price-to-sales ratio model

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。