“封闭阶级体系”概念、定义、翻译-科学时代

单词	封闭阶级体系
释义	社会学词汇手册封闭阶级体系 closed class system
随便看	free of claim for accident reported free of claim for accident reported free of claims free of commission free of damage free of damage (FOD) free of duty free offer free offer free offer free of general average free of general average--free of general average（FGA） free of general average（FGA） free of income tax free of particular average free of particular average free of particular average free of particular average American conditions free of particular average American conditions (FPAAC) free of particular average American conditions（FPAAC） free of particular average English conditions free of particular average English conditions (FPAEC) free of particular average English conditions（FPAEC） free of particular average (FPA) free of particular average--free of particular average (FPA)

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。