The UK Royal Navy is acting in an advisory capacity as BAE Systems develops an early warning suite intended to help commercial ships counter the threat of piracy at sea.

在BAE系统为了帮助海上的商船抵御海盗的威胁而开发预警装备时，英国皇家海军正在扮演着顾问的角色。

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The competent authorities may impose on violators of these Provisions such penalties as warning, fine, up to an order to cease their operations at sea.

对违反本规定的，主管机关可处以警告、罚款直至责令其停止海上作业。

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This paper studies the detection of hovering helicopter at sea by mean of airborne early warning(AEW) radar.

提出了依托机载预警（ AEW） 雷达利用悬停直升机旋翼回波信号来探测海上悬停直升机目标的方案。

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North Korea had issued a warning to mariners to avoid an area in the Sea of Japan at certain times between June 24 and July 9 because of a "military firing exercise, " according to a U.S. military communication about the warning provided to CNN.

CNN: North Korea test-fires more missiles, says Seoul

The intelligence official, who could also not be named for security reasons, said the launches came as no surprise because North Korea had issued a warning to mariners to avoid an area in the Sea of Japan at certain times between June 24 and July 9 because of a "military firing exercise, " according to a U.S. military communication about the warning provided to CNN.

CNN: Report: North Korea test fires four missiles