释义 |
radiation area radiation area[‚rād·ē′ā·shən ‚er·ē·ə] (nucleonics) Any accessible area in which the level of radiation is such that a major portion of an individual's body could receive in any 1 hour a dose in excess of 5 millirem or in any 5 consecutive days a dose in excess of 150 millirem. |