“document retrieval course”概念、定义、翻译-科学时代

单词	document retrieval course
释义	图书馆、情报与文献学词汇手册 document retrieval course 文献检索课程
随便看	open-loop system open loop system open-loop system open-loop system open made operation open mail open mapping theorem open marginal vesicle open market open market open market open market open market open market open market open market credit open market operation open market operation open market operation open market policy open market rate open market value open marriage open marriage open mess

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。