A deep-sea search vessel has now completed its 90-day operation in the southern Indian Ocean.

在印度洋南部，深水搜寻船结束了90天的搜寻。

We built a flatpack sonar search vessel on a beach in 1981, patrolled up and down the loch.

1981 年， 我们在海滩上建造了一艘平板声纳搜索船，在湖中上下巡逻。

The new map is not fine enough to show wreckage, but it is a wealth of information to guide under water search vessels.

虽然最新更新的这份地图并不能定位残骸地点，但对于水下搜索船舶而言仍然非常有帮助。