Before application of land sonar to measure the depth of loose stratum, several tests are done to prove that it is feasible.
在全面应用陆地声纳测量之前先做了几组对比试验，确定了它用来测量松弛带厚度的可行性。
In this paper a project example measuring the depth of loose stratum is introduced. In this project we mainly use land sonar.
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。
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