The intermediate frequency noise is always a difficult problem of the ship system that is to be solved.

中频噪声一直是舰船系统有待解决的难题。

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He entertained his shipmates with comedy routines broadcast over the ship's sound system.

VOA: special.2010.10.17

The ship's freshwater system is back up and operational, the Coast Guard said, and the sewage system was restored to the forward section of the ship, but crews were still working on the rear portion of the ship Monday morning.

CNN: STORY HIGHLIGHTS

Mario Ploner, the managing director of Tecnomeccanica Biellese, says the ship-based system will use external booms running parallel with the vessel's sides to channel oil onto wool that has been spread over the surface of the sea.

ECONOMIST: Monitor

In March the businessmen, who have called their project Wool Recycle Eco System, obtained patents for a containerised kit that can be set up in boats to deal with small spills, and for a bigger ship-based system to tackle large ones.

ECONOMIST: Monitor