放射性水平 meaning in English

activity level

Analysis of radioactivity level of building materials
建筑材料的放射性水平调查分析
Survey of indoor radioactive level in wuhan
武汉市居室内放射性水平调查及控制
Investigation and study of environmental natural radiation in quanzhou
泉州市环境放射性水平调查
Investigation on radioactive level in the work place of an underground tunnel
某地下坑道工作场所放射性水平调查
The measurement and evaluation of radioactivity for a rare earths battery card
稀土电池卡放射性水平的测量与分析

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