seakeeping

sea.keep.ing

n.（名词）
The ability of a vessel to navigate safely at sea for prolonged periods during stormy weather.
适航力：指恶劣天候中，船只能在海上安全地延长航行时间的能力
The study of the response of a ship or floating object to waves.
耐海性：针对船或浮体如何响应波浪运动所做的研究