“Hayford ellipsoid”的概念、定义、翻译、参考文献-科学参考

单词	Hayford ellipsoid
释义	Hayford ellipsoid Encyclopedia 工学参考椭球释 Hayford ellipsoid海福德椭球由美国大地测量学家J.F.海福德（John Fillmore Hayford，1868～1925）于1909年提出的参考椭球。
随便看	work safety and health under the rule by law Work Safety Committee of the State Council work safety expert work safety information system work safety intermediary organization Work Safety Law of the People's Republic of China work safety liability insurance work safety management organization work safety manager work safety standardization work safety standardization cassificationl work safety supervision administration work safety supervision administration for industry and trade work safety supervision and management work safety supervision mechanism work safety supervision system work sample Works by Li Junmin work schedule Work sequencing workshop Workshop clearance workshop control workshop Haozi(work songs in a workshop) Workshop in the Hall of Moral Cultivation

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。