The survey of natural radionuclide contents in soil in China(1983—1990)is a part of investigation of environmental natural radioactivity level on China.
中国土壤中天然放射性核素含量调查（1983—1990年）是中国环境天然放射性水平调查研究的一部分。
The measured activity concentrations for these natural radionuclide were compared with the reported data for other countries.
这些天然放射性核素的活度浓度与其他国家报告的数据进行比较。
The measured activity concentrations for these natural radionuclide were compared with the reported data for other countries.
这些天然放射性核素的活度浓度与其他国家报告的数据进行比较。
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