图14  甘肃河西祁连山中段高台、张掖-民乐地震波速曲线

      （a）波速异常区；（b）波速异常曲线

Fig.14  Curve of wave velocity anomaly at Gaotai and 

        Zhangye-Mingle in the middle section of 

        Qilianshan mountain, Gansu province