Read Edit View history 低速区 dīsùqū low-velocity zone Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 低速区/低速區 · dīsùqū · low-velocity zone 2026/03/04 低速区 / 低速區 dīsùqū low-velocity zone low-velocity zone (seismology) 地震波在经过地壳内的低速区时，其传播速度会明显下降。 created sense Mar 4, 2026, 02:25 AM