“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	rock strength properties rock strength-stress ratio rock stress rock stress relaxation rock structural plane creep experiments rock structural plane mechanical properties experiments rock structural plane normal deformation experiment rock structural plane shear deformation experiment rock structural plane shear strength experiment rock style rock swelling test rock tensile strength rock thin section rock triaxial compression experiment rock triaxial compressive strength experiment rock triaxial experiment rock tunnel boring machine rock tunnel boring machine method rock underground engineering design rock underground engineering disasters rock uniaxial and biaxial experiment rock uniaxial compressive experiment rock uniaxial compressive strength experiment rock uniaxial tensile strength experiment rock-water interaction

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。