“conventional international origin”的概念、定义、翻译、参考文献-科学参考

单词	conventional international origin
释义	conventional international origin Encyclopedia 工学地球参考系统释 conventional international origin；CIO国际习用原点为了统一全球地面坐标系统和便于研究极移，1967年国际天文学联合会（IAU）、国际大地测量和地球物理联合会（IUGG）决定采用统一的地极坐标原点，称为国际习用原点。
随便看	split-leaf philodendron splitless injection splitless sampling splitless sampling; splitless injection split Lie algebra split link splitlip hempnettle split manifold split mapping split mirror split mirror copy split monomorphism split operator split operator method split-operator method split peak split phase asynchronous motor split pin remover split-plot split plot design split-plot design split protein split range control split ratio split ring commutator

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。