(=reactive airway disease syndrome) 反应性气道病综合征,(=retrospective assessment of drug safety) 对药物安全回顾性评估
英英释义
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)