“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	standardized random variable standardized realization standardized regression coefficient standardized sample value standardized score standardized test standardized training of residents standardized training of specialist standardized variable standardizing the weights and measures system in the Qin Dynasty standardizing the weights and measures system in the Sui Dynasty standard kernel standard labor time standard lamp standard land price(or value)modified approach standard language standard lens standard lens, normal lens standardless analysis standard library standard lighting standard [light] source standard light source standard linear solid standard liquid-in-glass thermometer

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。