“thumb index”概念、定义、翻译-科学时代

单词	thumb index
释义	图书馆、情报与文献学词汇手册 thumb index 书边切口索引，拇指索引
随便看	printer's imprint printer's ink printer's ink printer's mark printery print-fed scanner print finishing print hand printing printing printing printing printing printing printing printing printing printing and dyeing printing and mailing printing cost printing cycle printing down printing down printing down printing-form production

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。