great circle bearing

例句：

1. 1. The ship's greatcircle bearing is 35° fromthe magnetic north.
   这艘船的大圆航线方位角为35度。
2. 2. The pilotadjusted the plane's great circle bearingto align with the sun.
   飞行员调整了飞机的大圆航线方位以与太阳对齐。
3. 3. The navigational chart shows thegreat circle bearing for the next town onthe map.
   航海图显示了地图上下一个城镇的大圆航线方位。