planetesimals的意思|示意

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n. [天] 星子

The fragments may well have been primordial planetesimals, according to Weaver.

维沃认为,这些碎片是最原始的星子.

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The planetesimals accretions of the Earth obviously have two stages, including initial accretion and late accretion.

这种不均一性起源于前地球阶段堆积星子的不均一性.

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