“备份”概念、定义、翻译-科学时代

单词	备份
释义	物理学词汇手册备份 backup
随便看	time scale time scale time scale time-scale factor time scale factor time-schedule control times cited times covered times earned ratio time section time section--time （record） section time selection time sequence time series time series time series time series time series time series time series time series time series time series time series time series

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。