超声脉冲回波法是一种高精度的弹性模量声速测量法。
The ultrasonic pulse reflecting method is applied to survey the dynamic elastic moduli.
本文针对冲击回波法在混凝土无损检测中的应用展开研究。
The applications of impact-echo method on nondestructive testing for concrete structures are researched in this paper.
介绍了两种常用的材料薄层超声表征方法———纵波脉冲回波法和兰姆波法。
This paper introduces two methods of ultrasonic characterization of thin layers: longitudinal pulse-echo and Lamb waves.
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