“阶级”概念、定义、翻译-科学时代

单词	阶级
释义	社会学词汇手册阶级 class
随便看	convection convection convection convection convection convection convection convectional circulation convectional dryer convectional rain convection cell convection column convection current convection current convection diffusion equation convection drying convection drying convection drying convection furnace convection heat drying convection heating convection heating convection heat transfer convection layer convection modulus

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。