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在天然地震观测中,测量大地电阻率和自然电场的变化,探索它们与地震的内在联系是目前地震预报研究中的一种重要手段。多年来,尽管出现了各种不同型号的仪器,但始终未能克服地电观测中的干扰问题,限制了观测精度的提高。至今全国一百多个地电观测台站基
In the natural seismic observation, measuring the change of the earth resistivity and the natural electric field and exploring their internal relations with the earthquake is an important method in the earthquake prediction research at present. Over the years, despite the emergence of a variety of different types of instruments, but has not been able to overcome the interference in the geoelectric observation, limiting the improvement of observation accuracy. So far more than 100 stations in the country to observe the station