海底地貌测绘仪
bottom-charting fathometer
海底地貌
seabed relief
submarine geomorphology
submarine geomorphy
submarine relief
geomorphology
sea-bed topography
Bottom geomorphological zones
seabed landform
sea landform
海底地貌图
submarine geomorphologic map
bottom contour chart
submarine geomorphologic chart
海底地貌学
ocean floor geomorphology
submarine geomorphology
波罗地海海岬型船指数
Baltic Capesize Index BCI
等深线海底地形图
contoured bathymetric chart
分层设色海底地形图
layered bathymetric chart