“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 Table Tennis Federation International Talking Machine Co. m.b.H international taxation agreement international tax evasion international tax law international tax relationship International Tea Agreement International Technology Roadmap for Semiconductors International Telecommunications Satellite Organization International Telecommunication Union International Television Advertising Guidelines international temperature scale international temperature scale, ITS international temperature scale of 1990 (ITS-90) International Tennis Federation International Terrestrial Reference Frame International Terrestrial Reference System international terrestrial reference system International Textile Manufacturers Federation International Theatre Institute international thermonuclear experimental reactor international thermonuclear experimental reactor plan international thermonuclear experimental reactor plan, ITER international tourism international tourism expenditure

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。