单词	directed line segment
释义	directed line segment If A and B are two points on a straight line, the part of the line between and including A and B, together with a specified direction along the line, is a directed line segment. denotes the directed line segment from A to B. See also vector.
随便看	quadratic field quadratic form quadratic formula quadratic function quadratic reciprocity quadratic residue quadratrix quadrature quadric quadric cone quadrilateral quadrillion quadruple quality control quantifier quantile quantity quantum theory quartic polynomial quartile deviation quartiles quasi-metric quaternion quaternion group queuing theory

数学辞典收录了4151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。