介绍了在某工程中将陆地声纳法作为主要方法结合超声波法测量松弛带厚度的一个实例。

In this paper a project example measuring the depth of loose stratum is introduced. In this project we mainly use land sonar.

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用于超前地质预报的物探方法主要有，TSP法、地质雷达法、地震负视速度法、陆地声纳法、HSP声波反射法等，这些方法在应用中各有所长。

And the geophysical methods include TSP, Ground Penetrating Radar (GPR), seismic negative apparent velocity method, HSP and so on and these method have their own advantage each other.

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