“凸版显影机”概念、定义、翻译-科学时代

单词	凸版显影机
释义	出版印刷词汇手册凸版显影机 relief developing machine
随便看	activity pedagogy activity properties activity quantities activity quota activity quota activity range activity rate activity ratio activity ratio activity ratio activity ratio activity ratio activity ratio activity-related basis of allocation activity report activity sampling activity space activity stage model activity status activity status activity teaching activity test activity theory activity theory activity theory of learning

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。