“ephemeris time”的概念、定义、翻译、参考文献-科学参考

单词	ephemeris time
释义	ephemeris time Encyclopedia 理学﹝时间计量系统﹞释 ephemeris time历书时以地球公转运动为基础，理论上均匀的时间尺度，简称ET。 Astronomy ephemeris time缩写：ET。历书时
随便看	Isaac Isaac Albeniz Isaac Alfred Isaacs Isaac Babbitt Isaac Barrow Isaac Bashevis Singer Isaac Loeb Peretz Isaac Luria Isaac Mayer Wise Isaac Newton Isaac Newton Group Isaac Newton Telescope Isaac Newton Telescope Photometric H-alpha Survey Isaacs Isaac Stern Isaak Emmanuilovich Babel Isaak Ilich Levitan Isaak Izrailevich Brodsky Isaak Osipovich Dunayevsky Isabella Stewart Gardner Museum Isabelle Adjani Isabelle Huppert isabellin Isabelline isabelline

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。