骨: bone状: form; shape扇形: fan-shaped指点: give directions; show how标: Rockwell A scale梭状扇形指点标: lens-shaped fan marker扇形指点标: vertical fan marker beacon扇形指点标灯: fan marker light无线电扇形指点标: radio fan marker小功率扇形指点标: low powered fan marker扇形无线电指点标: radio fan marker beacon无线电扇形辐射指点标: radio fan marker指点标: marker楔状扇形块: wedge segment“静”区指点标: zone of silence marker边界指点标: boundary marker场界指点标: boundary marker beacon低频指点标: lf marker; low frequency marker归航指点标: homer航空指点标: aeronautical marker beacon station航线指点标: airway marker; en route marker beacon; enroute marker beacon; route marker beacon后指点标: back marker近距指点标: inner marker雷达指点标: radar marker; ramark内部指点标: inner marker
