单词	benchmark angles
释义	Benchmark Angles Angles such as 30°, 45°, 60°, 90°, 180°, etc, that can be used as references.
随便看	perfect number perfect square perimeter period periodic function permutation perpendicular perpendicular lines perpendicular planes personal finance perspective peta- phase shift pi pico- pictogram pictograph pie chart | pie graph pint place value plan planar plane plane shape platonic solids

数学辞典收录了1200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。