“principal velocity”概念、定义、翻译-科学时代

单词	principal velocity
释义	物理学词汇手册 principal velocity 主速度
随便看	electronic data processing--electronic data processing (EDP) electronic data processing--electronic data processing（EDP） electronic data processing equipment electronic data processing system electronic data processing system electronic data processing system (EDPS) electronic data processing system--electronic data processing system (EDPS) electronic data processing system（EDPS） electronic data processing（EDP） electronic data processing（EDP） electronic DC switch electronic delay storage automatic calculator electronic delay storage automatic calculator (EDSAC) electronic democracy electronic design automation electronic design automation--electronic design automation（EDA） electronic design automation（EDA） electronic despin for antenna electronic detection system against burglars electronic discrete variable automatic computer electronic discrete variable automatic computer (EDVAC) electronic displays electronic distance measuring instrument electronic distance measuring instrument (EDM instrument) electronic distance measuring instrument（EDM）

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。