“quadratic mean”概念、定义、翻译-科学时代

单词	quadratic mean
释义	统计学词汇手册 quadratic mean 二次平均值
随便看	dead water dead water level dead water region dead water space deadweight dead weight dead weight deadweight dead weight brake deadweight burden of taxes deadweight capacity dead-weight cargo deadweight cargo deadweight cargo dead-weight debt deadweight debt deadweight loss deadweight loss of monopoly deadweight loss of monopsony dead weight tester dead-weight tonnage deadweight tonnage deadweight welfare loss dead-wind dead wind

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。

quadratic mean