“derivation of a ring”概念、定义、翻译-科学时代

单词	derivation of a ring
释义	数学词汇手册 derivation of a ring 环的导子
随便看	world news world ocean atlas（WOA） World Ocean Circulation Experiment（WOCE） world ocean database（WOD） World of Art world of desire world of experience world of form world of formlessness world of idea world of letters world of perfect virtue world of real estate world opinion world order world outlook World Park World Peace Council （WPC） World Peace Through Law Center World Plan of Action World Ploughing Organization World Population Conference world population picture World Population Plan of Action world population prospect

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。