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    Gray.这是国际单位制量度电离辐射吸收剂量的单位。符号：Gy。它量度活 组织所吸收的辐射剂量。它大约等于当电离辐射给物质放射单位质量每公斤 1 Joule 的能量时，物体 所吸收的剂量 Gray =...^

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