订正海平面还能检出与中小地震有关的形变前的信息，文中并举出预测前兆形变成功的实例。
They appear to be significant fod medium-term prediction of larg earthquakes and also give precursory information before moderate and small earthquakes...
本文就此进行了初步分析，认为强震前的预滑移可能产生这种长周期的形变波，它们对大震预报有一定意义。
In this paper we analyze these data and find that the deformation wave of long period comes from pre-movement before a strong earthquake.
其计算结果表明：在几次地震前均有清楚的形变前兆显示。
The calculated result indicated that precursor deformation had been exhibited before some earthquakes.
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