PRELIMINARY STUDY ON THE CHARACTERISTICS OF LONG AND MEDIUM TERM VARIATION FOR THE AMPLITUDE RATIO OFGEOMAGNETIC HUMOROUS WAVE BEFORE MODERATE-STRONG EARTHQUAKES是什么意思_PRELIMINARY STUDY ON THE CHARACTERISTICS OF LONG AND MEDIUM TERM VARIATION FOR THE AMPLITUDE RATIO OFGEOMAGNETIC HUMOROUS WAVE BEFORE MODERATE-STRONG EARTHQUAKES在线翻译_英语_读音_用法_例句