“白垩纪末大灭绝”的概念、定义、翻译、参考文献-科学参考

单词	白垩纪末大灭绝
释义	白垩纪末大灭绝 Encyclopedia 理学古生物学释 End-Cretaceous mass extinction白垩纪末大灭绝距今6500万年左右，地球生物圈遭受的一次大规模的集群灭绝事件。
随便看	nuclear data nuclear dating methods nuclear debris nuclear decay nuclear decay chemistry nuclear decay or radioactivity nuclear decontamination nuclear deformation nuclear demagnetization nuclear density nuclear depth bomb nuclear detection system nuclear deterrence theory nuclear diagnosis and therapy of functional nanomaterials nuclear diffuseness nuclear dipole interaction nuclear disarmament nuclear disaster nuclear disk nuclear division nuclear domain nuclear dualism nuclear earth penetrator nucleared settlements nuclear effective interaction

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。