大圆航线 (GCR: Great Circle Route)
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定义
The shortest path between two points on the Earth's surface, commonly used in long-haul aviation
相关术语
大圆距离 (GCD: Great Circle Distance)
The shortest distance between two points on Earth, following the curvature of the globe
急流 (Jet Stream)
A narrow band of strong winds (100-200 kt) at high altitudes affecting flight times and routing
极地路线 (Polar Route)
An air route passing near the North or South Pole, shortening distances between certain cities
恒向线 (Rhumb Line)
A path crossing all meridians at the same angle, appearing straight on a Mercator projection