单词	perpendicular line
释义	perpendicular line 垂线
随便看	permutation without repetition permutation with repetition permutation with restricted positions permutator permuted code permuting relation permutohedron perp dot product perpendicular perpendicular bisector perpendicular bisector theorem perpendicular foot perpendicularity perpendicular line perpendicular plane perpendicular straight lines perpendicular vector perpetuant perpetuity Perron-Brélot solution Perron continued fraction Perron formula Perron-Frobenius operator Perron-Frobenius theorem Perron inequality

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。