- radian(s).同RADIAN或radians.
- Physics a unit of absorbed dose of ionizing radiation, corresponding to the absorption of 0.01 joule per kilogram of absorbing material【物理】拉德。
词源
early 20th cent.: acronym from radiation absorbed dose.
单词 | rad |
释义 |
词源 early 20th cent.: acronym from radiation absorbed dose. |
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