通过长期监测地下水中水化学成分的变化，就有可能为预测预报地震提供一种新的前兆信息。
Through long-term monitoring of the change of the chemical composition of groundwater, a new kind of premonitory information for earthquake prediction may be provided.
利用此比值常数以及由测震学指标所确定的T_1和求得的T_2可以进行确定性的中长期地震预报。
By means of this ratio and T_1, T_2, determined by seismometry, the mid long-term forecasting of earthquakes can be done.
研究结果表明，运用该模型方法可利用大地测量数据确定沿板块边界断层带的相对闭锁区，从而进行中长期地震预报。
The research result shows that this physical model is useful to determine the locked area along plate boundary faults and further to make the long term and middle term earthquake prediction.
将改进后的程序应用于1993年和1996年华南地区地壳的面波品质因子——Q值的实际反演，为中长期地震预报和地震趋势分析提供背景资料。
The inversion result, the distribution of Surface waves Q value for South China in 1993 and 1996 will offer some background information about medium - long term earthquake prediction.
另一种观点认为地震是弱混沌，因而可能是可长期确定性预报的。
The other is that the exact long-range earthquake prediction is possible.
另一种观点认为地震是弱混沌，因而可能是可长期确定性预报的。
The other is that the exact long-range earthquake prediction is possible.
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