“class mark”概念、定义、翻译-科学时代

单词	class mark
释义	图书馆、情报与文献学词汇手册 class mark 分类标号
随便看	slip flow slip flow slip flow slip frequency slip function slip function slip gauge slip hook slipknot slip law slip line slip-link network slip of dislocation slip-off slope slip of pen slip of the tongue slip on attachment slip opinion slippage slippage slippage slippage effect slippage factor slippage flow slippage of sound to picture

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。