单词	negative semi-definte quadratic form
释义	negative semi-definte quadratic form 负半定二次型 ，负半定二次形式
随便看	oriented space oriented sphere oriented sphere bundle oriented surface oriented tangent line oriented transparency oriented tree oriented volume orienting atlas orienting covering orienting cycle orienting sheaf orientor orifice origami origin original original alphabet original bundle original circuit original code original data original equation original function original inspection

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。