@@ 1972年国际避碰规则第五条look-out为"Every vessel shall at all times maintain a proper look-out by sight and hearing as well as all available means appropriate in the travailing circumstances and conditions so as to make a full appraisal of the situation.".译文内容为:每一船舶应经常用视觉、听觉以及适合当时环境和情况下一切有效的手段保持正确的了望,以便对局面和碰撞危险作出充分的估计.
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