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

单词	Besselian star numbers
释义	Besselian star numbers [bǝ`sel·yǝn `stär ´nǝm·bǝrz] ^ASTRONOMY Constants used in the reduction of a mean position of a star to an apparent position; used to account for short-term variations in precession, nutation, aberration, and parallax.
随便看	target analysis target angle target approach point target array target bearing target cell target central processing unit target concentration target configuration target cross section target-designating system target deviation target discrimination target drone target echo target glint target identification target indicating system target information center target language target length target noise target offset target of opportunity target pack

科学参考收录了103327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。