“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	Centaurus cluster centella Centennial 1911 Centennial Monument to the Foundation of The Chinese Geological Society Centennial Record of Chinese Language Modernization（1892—1995） centennial variation center center and focus problem center angle center-axle trailer center circle center collision center driven ball mill center drive thickener centered centered affine geometry centered affine group centered affine mapping centered affine space centered affine transformation centered coordinate system centered cubic number centered difference centered Euclid space centered family of sets

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。