“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	geographic dual economic structure geographic engineering of ethnicity geographic entity geographic entity representation geographic environment simulation geographic equator geographic feature code geographic feature identifier geographic feature oriented generalization geographic graticule map geographic index of ethnicity geographic information application engineering geographic information catalogue service geographic information classification and coding geographic information cloud service geographic information engineering geographic information engineering design geographic information engineering maintenance geographic information engineering management geographic information engineering supervision geographic information interoperability geographic information map geographic information metadata geographic information property geographic information public service platform

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。