“铜斧”概念、定义、翻译-科学时代

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。

单词	铜斧
释义	请查阅石斧--铜斧
随便看	relative discriminant relative dispersion relative dispersion relative displacement relative displacement relative distance relative distance relative eccentricity relative efficiency relative efficiency relative efficiency of an estimator relative efficiency of a sample design relative efficiency of a test relative elasticity relative elevation relative elongation relative entropy relative error relative error relative error relative error relative error relative error relative error relative error