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。
2. 不改变已有字段/接口语义
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Either way, by the mid-2000s, the phrase was everywhere — repeated endlessly in early fandom spaces, often ironically, and almost always spelled incorrectly. It was awkward. It was cringe. And that was the point. For better or worse, it helped establish Pokémon as foundational meme material.，这一点在夫子中也有详细论述
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