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多年的观测实践表明,水氡观测点有灵敏和不灵敏之分。只有那些灵敏水点在地震前才会出现明显的水氡异常变化。1983至1984年我国开展了水化学方法预报地震的清理攻关,发现在几次强震中有异常反映的水点仅占监视区全部水点的1/3左右。努力
Years of observation and practice have shown that water radon observation points are sensitive and insensitive. Only those sensitive water spots will show obvious abnormal changes of water radon before the earthquake. From 1983 to 1984, China carried out a water chemistry method to predict earthquakes and found that water spots that were abnormally reflected in several strong earthquakes accounted for only about one-third of all water spots in the monitoring area. Work hard