A small, highly accurate gyroscope placed on the Hubble Space Telescope. It was developed by NASA's Goddard Space Flight Center and Litton Guidance and Control Systems Space Operations.
科学参考收录了60776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。