“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	broad halo broad-internal focus broadleaf deciduous forest in temperate zone broad-leaf forest broad leaf weed broad-leaved forest broadleaved weed broadligament pregnancy broad-line radio galaxy broad-line region broad money growth broad network access broadnose sevengill shark broad resonance broad-sense Mathieu function broad-sense selfsimilar process broadside array broad slit drawing broad-spectrum antiviral Broad System of Ordering,BSO broad transcription Broadway Broadway chorus or ensembles in musicals Broadway dream ballet Broadway ethnic and urban folk dance

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