... submarine depot boat 潜艇母舰 submarine coastal boat 沿海潜艇 new submarine rescue boat 新型潜艇救生艇 ...
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机载激光海洋测深系统对快速而便宜地绘制沿海海图和探测潜艇有重要意义。
An airborne laser sounder bathymetric system is of great importance to chart coastal bathymetry rapidly and cheaply and to detect submarines.
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