“Besselian day numbers”的概念、定义、翻译、参考文献-科学参考

单词	Besselian day numbers
释义	Besselian day numbers 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。
随便看	active-sunspot prominence active surface active surveillance active suspension control active target detector active targeting drug delivery systems active technology active tectonic basin active tectonic block active tectonics active temperature active thermal control system active thermal management active traffic safety active transport active transport of plant nutrients active vibration control active vibration isolation active vision active vitamin D active volcano active voltage active wiretapping ActiveX data object ActiveX data object, ADO

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。