| 摘要 |
An element for a core of a nuclear reactor, includes a square grid assembly formed of a plurality of spacers distributed over the length of the element, structural elements interconnecting the spacers, rods regularly disposed in the square grid assembly and surrounded by the spacers, including a plurality of the rods disposed at an edge of the core, and neutron-shielding material having a substantially square cross section respectively disposed in each of the plurality of rods at the edge of the core.
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