船舶适航性保证
warranty of seaworthiness
船舶适航证书
certificate of seaworthiness
船舶适员
Appropriate Crew for the Ship
实船适航性试验
full scale seakeeping trials
full-scale sea-keeping trials
船舶航海性能
ship navigation performance
船舶航迹保持控制
Ship Track-keeping Control
船舶航迹控制
ship’s the automatic pilot
ship tracking control
ship’s tracking control