“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	cross-hole seismic crosshole seismic tomography cross identification cross-incompatibility cross infection crossing crossing beam crossing-belt sorting machine crossing brackets crossing brackets, CBs crossing-category word Crossing in the Same Ferryboat crossing line crossing number crossing point crossing sequence crossing speed for turnout crossing straight lines crossing symmetry crossing the desert problem Crossing the North of the Yellow River Crossing the Yangtze River Campaign Memorial Hall (Anhui Celebrity Museum) crossing time cross-in-square cross interferometer

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。