1.【航】罗盘方位;罗盘方位二点间的角距;罗盘方位线;恒角线
1.any of the 32 points of a compass
1.Accurate calculation of the course and distance in rhumb-line
恒向线航向和航程的精确计算
2.Rhumb Lines and Map Wars: A Social History of the Mercator Projection
等方位线与地图战:墨卡托投影的社会史
3.Calculation of track bias based on rhumb line sailing
基于恒向线航法的航迹偏差计算