单词	normal subgroup
释义	normal subgroup 正规子群
随便看	parallel join algorithm parallel line and plane parallel lines parallel multistep method parallel of latitude parallelogram parallelogram axiom parallelogram identity parallelogram illusion parallelogram law parallelogrammatic number parallelogram of periods parallelogram polyomino parallelohedron parallelologic triangle parallelopiped parallelotope parallel pair parallel perspective parallel perspective figure parallel planes parallel postulate parallel processing parallel processor parallel product

数学辞典收录了72750条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。