单词	obstruction to an extension
释义	obstruction to an extension 扩张阻碍
随便看	peripheral peripherally bicompact space peripheral point peripheral spectrum peripheral subgroup peripheral system peripherical compactness peripherically compact space periphery periphery of a circle periphery of a graph Perlis, A.J. permanence permanence of algebraic form permanence of mathematical relations principle permanence relation permanency permanent permanently convergent series permanent matrix permanent of a matrix permanent summation permillage permil (= per mil, per mille) permissible

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。