“exchange of books and periodicals”概念、定义、翻译-科学时代

单词	exchange of books and periodicals
释义	图书馆、情报与文献学词汇手册 exchange of books and periodicals 书刊交换
随便看	directional tariff directional view direction angle direction angle direction angle direction angle direction-annexed traverse direction bias sampling method direction constancy direction cosine direction cosine direction cosine direction cosine direction cosine direction delivery direction difference direction, discovery and destiny direction effect direction field direction field direction finder direction finder direction finding and ranging direction float direction fluctuation

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。