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对宁夏石嘴山水氡 1 995～ 2 0 0 0年的资料进行了详细研究 ,对观测环境进行了细致的调查分析 ,得出该台氡值历年 6～ 8月的低值变化主要是受降雨影响所致 ,不是地震前兆异常。
The data of radon in Shizuishan of Ningxia from 1995 to 2000 were studied in detail and the observed environment was carefully investigated and analyzed. The results showed that the low value of radon in June to August of this station was mainly affected by rainfall As a result, it is not an anomalous earthquake precursor.