natural background radioactivity的意思|示意
天然本底放射性
natural background radioactivity的网络常见释义
天然本底放射性 ... nanotechnology毫微技术 natural background radioactivity天然本底放射性 natural breadth自然宽度 ...
natural background radioactivity相关短语
1、 natural radioactivity background 天然放射性本底
2、 background natural radioactivity 天然放射性背景
natural background radioactivity相关例句
The results show that the radioactivity level of varied water bod-ies of the city was within normal natural background.
调查结果表明，上海市各类水体中天然放射性核素浓度属正常本底水平。
The results show that the radioactivity level of varied water bodies of the region was within normal natural background.
调查结果表明，宁夏回族自治区水体中天然放射性核素浓度属正常本底水平。