“ephemeris hour angle”概念、定义、翻译-科学时代

单词	ephemeris hour angle
释义	天文学词汇手册 ephemeris hour angle 历书时角
随便看	sum of products--sum of products (SOP) sum of ranks sum of series sum of sets sum of solutions sum of squared deviations sum of squares sum of squares sum of squares sum of squares between classes 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

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。