if (k === n) return '0';
核燃料循环体系包括铀（钍）矿勘查、开采冶炼、纯化转化、同位素分离、燃料元件制造、乏燃料后处理等环节。
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Раскрыты подробности похищения ребенка в Смоленске09:27，详情可参考搜狗输入法2026
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US ice hockey star Brady Tkachuk has said he does not appreciate an AI video released by the White House that shows him insulting Canadians.