“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	ultrahyperbolic differential equation ultrahyperbolic equation ultraideal ultrainfinite point ultraintuitionism ultraionization potential ultra large scale integrated circuit ultra large scale integrated circuit, ULSI ultralattice ultra-light wrought magnesium-lithium alloy ultralimit ultra-long spaced electric log ultra-long wave ultra-low density fiberboard ultra low density polyethylene ultra low density polyethylene (ULDPE) ultra low density proppant ultra-low emission ultra low energy building ultra low expansion glass ultra-low frequency ultralow interfacial tension ultra-low sulfur diesel production ultra-low temperature ultralow temperature

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