“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	direct lattice direct leasing direct levelling direct light direct lightning flash direct limit direct linear transformation direct line atomic fluorescence direct-line atomic fluorescence direct line fluorescence direct liquefaction direct liquid cooling directly buried heating pipeline directly congruent directly decomposable group directly decomposable lattice directly indecomposable group directly indecomposable lattice directly integrable function directly labour to earn a living directly modulated optical transmitter directly observed treatment-short course chemotherapy directly proportional directly similar graph directly spanned

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