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机译:Ionospheric anomalies immediately before M(w)7.0-8.0 earthquakes
Northeastern Univ, Sch Resources & Civil Engn, Dept Geodesy & Geomat, Shenyang, Liaoning, Peoples R China;
Hokkaido Univ, Dept Earth & Planetary Sci, Sapporo, Hokkaido, Japan;
ionospheric anomalies; earthquake; GNSS; total electron content; IMPROVED COUPLING MODEL; TOHOKU-OKI EARTHQUAKE; ELECTRON ENHANCEMENTS; WAVE-FORM; GPS; DISTURBANCES; DEPENDENCE; SYSTEM; MARCH; SLIP;