It is suggested that the dynamic pattern method could completely and directly show the anomaly characteristic in Radon precursor and be a new method of Radon analysis for the earthquake prediction.

表明动态图像方法能较完整、直观地揭示水氡前兆异常的特征，可望成为一种水氡分析预报的新方法。

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The Environmental Protection Agency calls radon "extremely toxic, " and the Harvard Center for Risk Analysis in 1998 listed it as the most frequent cause of premature death from a hazard in the home.

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