“later heavy bombardment”的概念、定义、翻译、参考文献-科学参考

单词	later heavy bombardment
释义	later heavy bombardment Encyclopedia 理学月球科学释 later heavy bombardment晚期强烈撞击事件由于外太阳系的行星迁徙，导致大量小型天体进入内太阳系，进而导致月球及其他内太阳系行星在短期内发生密集撞击的事件。是月球演化的一个重要假说。
随便看	proper forcing axiom (PFA) proper fraction proper function proper game proper generator proper group proper group action proper holomorphic mapping proper homotopy proper homotopy theory proper hypergeometric term proper hyperplane proper hyperquadric proper hypersphere proper ideal proper including set proper inclusion proper integral proper intersection proper inverse semigroup proper k coloring proper k-coloring proper k edge coloring proper k-edge-coloring proper k face coloring

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。