“perturbation of semi-groups”概念、定义、翻译-科学时代

单词	perturbation of semi-groups
释义	数学词汇手册 perturbation of semi-groups 半群扰动
随便看	comminutor comminutor comminutor comminutor commiphora commissariat commissary commissary commissary commissaryman commission commission commission commission commission commission commission commission commission commission commission commission commission commission commission a book

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。