“hausmannite”概念、定义、翻译-科学时代

单词	hausmannite
释义	地质学词汇手册 hausmannite 黑锰矿
随便看	sum of squares of deviation from the mean sum of squares within classes sum-of-subset problem sum-of-the-digits method of depreciation sum-of-the-years-digits depreciation method sum of vectors sum-of-year-digits depreciation (SYD) sum-of-year's-digits depreciation method sump sump sump sump sum payable sum payable sump hole sumping sump pumping sumptuary law sumptuary law sumptuary tax SUMS（single user management system） sum to infinity sum to product formula sum total SUMT（sequential unconstrained minimization technique）

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。