They differ somewhat from bathymetric charts which are virtually topographic maps of the ocean floor.
它們與水深圖稍有不同,后者實際上是洋底地形圖.
辭典例句
In bathymetric survey, the recorded seabed is distorted due to the beam - width of the echo sounder.
摘要在海底地形測量中, 由于波束角效應導致探測的海底地形存在失真.
互聯(lián)網(wǎng)