第三十五条 国家对放射源、射线装置实行分类管理，具体分类办法由国务院有关部门制定。
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He connected them with a coastal walk veteran, who was "an absolute gold mine of information", sending them off with high-vis vests for road walking and a collection of maps.
Nature, Published online: 25 February 2026; doi:10.1038/d41586-025-04161-7