rad
- n. 拉德（辐射剂量单位）
- adj. <俚>非常棒的，极好的
- n. （Rad）人名；（塞、罗、德）拉德
rad
[ ræd ]
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n.
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a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material
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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)
同义词：
radian
以上来源于:
WordNet