导标法: leading mark method; leading marks method迭导标: transit leading mark后导标: rear leading mark前导标: front leading mark不发光导标: unlighted beacon灯光导标: guiding light; training light signal定向导标: directional beacon反光导标: delineators; reflective guide posts过河导标: crossing leading marks后导标灯: u er light; upper light进口导标: approaching buoy前导标灯: lower light首尾导标: head and stern leading marks无线电导标: a-n radio beacon a-n诱导标志: induction sign终端导标: final bearing导标;距离标识器: range marker反射式向导标: marker post导标断面测深法: leading marks method后导标灯后导灯: rear light简单引导标记规范: sbfs(simple boot flag specification截击引导标图板: intercept board无线电导标的航线: beacon course旋转式无线电导标: rotating loop radio beacon; rotating radio beacon导边人工空化: leading edge ventilation导边器: edge guide