It is indicated that the longitudinal wave speed, shear wave speed, as well as the dynamic Young's modulus of the Mogao grottoes increase with the increasing depth of grottoes.

结果表明，洞窟岩壁的纵波波速、横波波速、动弹模随着洞深的增加而增加；

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Using the speed ratio of longitudinal wave and transverse wave to research transformation of lithology along crosswise and water-carrying fractures, thereby service...

利用纵横波速度比研究岩性的横向变化及含水裂隙，为生产矿井所面临的现实问题服务。

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Solid Youngs modulus is determined by measuring the propagation speed of longitudinal wave induced by ultrasonic wave in solid media.

通过测量超声波在固体介质中传播的纵波传播速度，进一步测量该固体的杨氏模量，得到了测量固体杨氏模量的一种新方法。

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