“harmonic mean”概念、定义、翻译-科学时代

单词	harmonic mean
释义	数学词汇手册 harmonic mean 调和平均（数），调和均值；调和中项
随便看	gas suspension gas sweetening gassy cream gastaldite gas taper Gastarbeiter gas target gaster gas tester gasthaus gas thermal formalization machine gas thermometer gas thermometer gas tight casing gas-to-dust ratio Gaston gastradenitis gastral cavity gastral epithelium gastralgia gas transfer gas transmission and distribution system gas transmission branch line gas transmission line gas transmission pipeline engineering

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。