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单词 GRAY
释义

Metric (SI) measurement for absorbed radiation units. Equals 100 radiation absorbed doses, or RADs. UK resident Dr. L. Harold Gray (1905-1965) pioneered radiation as a cancer treatment, giving his name to this unit. One gray is defined as a dose of 1 joule of radiant energy absorbed per kilogram of matter.

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更新时间:2025/1/13 23:03:48