The weight of the building is supported entirely by twelve outer and four inner columns.
建筑的重量完全由12根外柱和4根内柱支撑。
Our brains are made up of a primitive inner core and a more evolved and rational outer core.
我们的大脑由原始的内核和进化程度更高、更具理性的外核组成。
Some scientists have called Jupiter the protector of the inner planets and our own Earth -- from objects from the outer solar system.
VOA: special.2009.08.25
Core electrons are all those electrons held in really tight with the nucleus in the inner shells, whereas the valence electrons are only those electrons that are in the outer-most shell, or at your highest value of n of the principal quantum number.
芯电子是那些,在内壳层被原子核束缚得非常紧的电子,而价电子只包括,最外层的电子,或者说主量子数,n,的值最大的那些电子。
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