定向: directional; orient; orienta ...导标: beacon; leading marks; range ...反射式向导标: marker post定向导航: direction navigation定向导航灯: directional light定向导数: directional derivative定向导引: df guidance导标: (航标的一种) beacon; leading marks; range marks; navigation mark定向导航灯定向灯标: directional light全向导航台；短距离定向设备: omnirange向导: guide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定向导航和大炮测量用卫星: navigation and geodesy不发光导标: unlighted beacon灯光导标: guiding light; training light signal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
