“pre-Lopingian crisis”的概念、定义、翻译、参考文献-科学参考

单词	pre-Lopingian crisis
释义	pre-Lopingian crisis Encyclopedia 理学前乐平世事件释 pre-Lopingian crisis;end-Guadalupian extinction前乐平世事件发生在二叠纪晚期约2.6亿年以前的生物灭绝事件。又称瓜达鲁普世末灭绝事件。
随便看	toroidal toroidal chamber toroidal coil toroidal compactification toroidal coordinate toroidal crossing number toroidal current toroidal drift toroidal effect toroidal embedding toroidal equilibrium toroidal field toroidal function toroidal geometry toroidal geometry configuration toroidal group toroidal harmonic toroidal Lie algebra toroidal magnetic bi-cusp toroidal magnetic cusp toroidal magnetic field toroidal manifold toroidal neighborhood toroidal orbifold toroidal oscillation

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。