In bathymetric survey, the recorded seabed is distorted due to the beam-width of the echo sounder.摘要在海底地形测量中，由于波束角效应导致探测的海底地形存在失真。
This paper introduces the research on supervision technology of bathymetric survey, which has been applied successfully 摘要介绍水深测量监理技术方面的研究及相应技术在疏浚工程验收测量中的成功应用。