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Александра Качан (Редактор)
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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。
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在中华人民共和国船舶和航空器内发生的违反治安管理行为，除法律有特别规定的外，适用本法。，这一点在im钱包官方下载中也有详细论述
Like hundreds of farmers and citizens of rural towns perched on the slopes of Europe’s highest and most active volcano, the 41-year-old’s family has had to deal with the nuisance of falling volcanic ash for generations. But it is only in recent years that the quantity of ash has become so excessive that it required an alternative approach.