单词	harmonic mean
释义	harmonic mean 调和平均 ，调和中项
随便看	return theorem return time Reuleaux, F. Reuleaux pentagon Reuleaux polygon Reuleaux tetrahedron Reuleaux triangle reversal reversal of a string reversal test reverse reverse convex constraint reverse convex program reverse convex programming problem reversed reversed martingale reversed process reverse greedy algorithm reverse inclusion reverse inequality reverse lexicographic order reverse mathematics reverse mode reverse operation reverse order

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。