| 单词 |
environmental radioactivity |
| 释义 |
environmental radioactivity
environmental radioactivity[in‚vī·ərn¦ment·əl ‚rād·ē‚ō·ak′tiv·əd·ē] (nucleonics) Radioactivity that originates from natural and anthropogenic sources. |
| 随便看 |
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