Her three space shuttle flights include the life-science research mission aboard Columbia in October 1993 that was considered to be the most successful Spacelab flight made. Seddon was selected as an astronaut in 1978 and retired from NASA in 1997.
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。