| 单词 | great circle |
| 释义 | great circle great circle n.（名词）1. A circle described by the intersection of the surface of a sphere with a plane passing through the center of the sphere.大圆：一个通过球心的平面与球面相交所形成的圆2. A segment of such a circle representing the shortest distance between two terrestrial points.大圆弧：大圆的一部分，表示球面上两点间的最短距离 |
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