low-velocity zone
柯林斯词典
1. N a layer or zone in the earth in which the velocity of seismic waves is slightly lower than in the layers above and below. The asthenosphere is thought to be such a zone 低速带→see asthenosphere
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1. N a layer or zone in the earth in which the velocity of seismic waves is slightly lower than in the layers above and below. The asthenosphere is thought to be such a zone 低速带→see asthenosphere