awarded the Fields Medal in 1958 for work in topology but best known for his development of the mathematics in catastrophe theory, where incremental changes can bring about sudden changes or the disappearance of equilibria.
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。