“海福德椭球”的概念、定义、翻译、参考文献-科学参考

单词	海福德椭球
释义	海福德椭球 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	early warning performance early warning period early warning satellite early-warning system early water flooding early weaning early winter disaster of wheat early wither of wheat on hot days after rain early wood earmuff earmuffs cap earned premium earned surplus Earned Value Method earnings management earnings per share earnings per share maximization earnings per share method Earnshaw theorem ear ossicle earphone earphone for speech communications earpiece earplugs ear preparations

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。