一种简易地震仪由竖直弹簧振子p和水平弹簧振子h组成利用它可以了解地震�生时的一些信息.某次有感地震�生时测得地震波中的横波与纵波的传播速率 Template




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tomski一种简易地震仪由竖直弹簧振子p和水平弹簧振子h组成利用它可以了解地震�生时的一些信息.某次有感地震�生时测得地震波中的横波与纵波的传播速率 coloring