激光海洋测深仪是一种快速便宜的海深勘测系统，对绘制沿海区域海图有重大意义。
Laser sounder bathymetric system is of great importance to be capable of charting coastal bathymetry rapidly and cheaply.
激光海洋测深仪是一种快速便宜的海深勘测系统，对绘制沿海区域海图有重大意义。
Laser sounder bathymetric system is of great importance to be capable of charting coastal bathymetry rapidly and cheaply.
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