rad(unit of absorbed dose)是什么意思 rad(unit of absorbed dose)怎么读
rad(unit of absorbed dose)的英文翻译是什么意思，词典释义与在线翻译
名词 rad:- a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material
- the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)
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