• The main regions of seismic activities were the seismic belt of the northwest margin of the Pacific Ocean and the Oceanic island-arc seismic belt.

    主要活动地区太平洋西北边缘地震带大洋岛弧地震带。

    youdao

  • The main regions of seismic activities were the seismic belt of the northwest margin of the Pacific Ocean and the Oceanic island-arc seismic belt.

    主要活动地区太平洋西北边缘地震带大洋岛弧地震带。

    youdao

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