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（六）放射性同位素，是指化学元素中具有相同原子序数，但质量不同且能发生放射性衰变的核素。
Publication date: 28 February 2026。safew官方版本下载对此有专业解读
As well as more intense rainfall we are also seeing more rainfall clustered together, explained Prof Lizzie Kendon, head of climate projections at the Met Office.。51吃瓜对此有专业解读
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Фото: Liesa Johannssen / Reuters