who in 1829 published his discovery, independently of Bolyai, of hyperbolic geometry. He continued to publicize his ideas, but his work received wide recognition only after his death.
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。