“normal subgroup”的概念、定义、翻译、参考文献-科学参考

单词	normal subgroup
释义	normal subgroup Physics ＞理论物理学＞数学物理＞释义 normal subgroup正规子群 Mathematics ＞代数学＞群论＞释义 normal subgroup正规子群 normal subgroup正规子群^†
随便看	sound energy density sound energy density, acoustic energy density sound energy flux density sound entrainment sound equations sounder sounder key sound exposure level sound fade out and fade in sound field sound field, acoustic field sound field quantity sound flash back sound flash forward sound focusing sound funnel sound girder sound girder, sound crossbeam sound gloss sound grating sound-hard boundary sound horizon sound image sound image control sound in film & TV

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。