燃料棒被束在一起放置于反应堆的核心。
The fuel rods are bundled together in the core of the reactor.
这样做了以后，一个“物”只能成为一束性质，因为任何纯粹的“物性”核心都不能存在了。
" When this is done, a "thing" has to be a bundle of qualities, since there is no longer any kernel of pure "thinghood.
本文提出的样条有限点法可用于分析各类高层筒体结构，如框筒、核心筒，筒中筒及筒束结构。
In this paper, the spline finite-point method is used to analyze the tube structures, such as framed tube, core, tube in tube and bundle tubes.
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