“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	pedestal pile pedestal rock pedestal sight pedial class pediatrician pediatrics pedicel pedicellaria pedicellate Pedicellinea pedicle pediculophobia pediculosis pedigree pedigree mud pedigree selection Pedilidae pediment pedimentation pediment gap pediment pass Pedinidae Pedinoida pediocratic pedion

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。