“轨道坐标系统”的概念、定义、翻译、参考文献-科学参考

单词	轨道坐标系统
释义	轨道坐标系统 Encyclopedia 工学参考框架释 Orbit coordinate system轨道坐标系统以地球质心为原点，Z轴指向瞬时天极方向，X轴指向历元时刻的平春分点在瞬时赤道面上的投影方向（实为瞬时真赤道上的某一个假想的春分点），Y轴与X轴和Z轴正交，从而构成的右手笛卡儿直角天球坐标系。
随便看	International African Friends of Ethiopia/Abyssinia International African Institute International Agency for Cancer Research international agreement on exchange of information on tax matters International Agreement on Jute and Jute Products international agricultural development cooperation International Agricultural Research Centres international agrometeorological institute International Agrophysics International Air Transport Association International Amateur Boxing Association International Anarchy international angstrom International Animated Film Association International Animation Festival Hiroshima International Anti-Corruption Academy International Anti-Corruption Coordination Centre International Anti-Fascist League international arbitration International Archives Day International Assciation for the Evaluation of Educational Achievement International Association for Bridge and Structural Engineering International Association for Computational Mechanics International Association for Continuing Engineering Education International Association for Cross-Cultural Psychology

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。