（十）放射性废物，是指含有放射性核素或者被放射性核素污染，其浓度或者比活度大于国家确定的清洁解控水平，预期不再使用的废弃物。
The weight of each term is given by the proportion of each sub-triangle area with respect to the total triangle area . Algebraically, this can be expressed like so:
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JOIN issues i ON i.repo_id = c.repo_id。搜狗输入法下载是该领域的重要参考
Nature, Published online: 25 February 2026; doi:10.1038/s41586-026-10210-6