单词	ordered pair
释义	Ordered Pair Two numbers written in a certain order. Usually written in parentheses like this: (12,5) Which can be used to show the position on a graph, where the "x" (horizontal) value is first, and the "y" (vertical) value is second. So (12,5) is 12 units along, and 5 units up.
随便看	quinary quintillion quotient radian radical radicand radius radius (polygon) radix random random sample range (statistics) range of a function rate rate of return ratio rational expression rational function rational number ray real number reciprocal rectangle rectangular coordinates rectangular prism

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。