“贝塞尔日数”的概念、定义、翻译、参考文献-科学参考

单词	贝塞尔日数
释义	贝塞尔日数 Encyclopedia 理学天文年历释 Besselian day numbers贝塞尔日数从贝塞尔年首（也即光行差改正后的平太阳赤经等于280°的时刻）恒星的平位置（）变换到恒星视位置（）时所用到的一组参数。 Astronomy Besselian day number贝塞尔日数
随便看	first-order variation first orthogonality relation First Outline of a System of the Philosophy of Nature first partial derivative first passage first-passage-time first pass effect first-person shooter first phase First Plenary Session of the Chinese People's Political Consultative Conference first point of Aries first point of aries first point of Cancer first point of Capricornus first point of Libra first point of libra first polar first polar body first postulate of thermodynamics first principal line first principal plane first principle first-principle first principle calculation first principles

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。