“primary source”概念、定义、翻译-科学时代

单词	primary source
释义	图书馆、情报与文献学词汇手册 primary source 原始文献；原始来源
随便看	surface active agent surface-active agent surface active agent surface active agent surface active agent surface active substance surface activity surface activity surface activity surface adsorption surface adsorption surface aeration surface age surface agitator surface analysis surface analysis instrument surface analysis technique surface anomaly surface antigen surface approach of learning surface area surface area surface area surface avalanche surface barrier transistor

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。