In this paper we analyze these data and find that the deformation wave of long period comes from pre-movement before a strong earthquake.

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。

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In this paper we analyze these data and find that the deformation wave of long period comes from pre-movement before a strong earthquake.

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。

youdao