great-circle course

[′grāt ¦sər·kəl ′kȯrs] (navigation) Course along the direction of the great circle through the departure point and the destination; expressed as the angular distance from a reference direction, usually north to the direction of the great circle; the angle varies from point to point along the great circle.

great-circle course

The route between two points on the earth's surface measured along the shortest segment of the circumference of the great circle on which the two points are located. A great circle establishes the shortest distance over the surface of the earth between any two terrestrial points.

单词	great-circle course
释义	great-circle course great-circle course [′grāt ¦sər·kəl ′kȯrs] (navigation) Course along the direction of the great circle through the departure point and the destination; expressed as the angular distance from a reference direction, usually north to the direction of the great circle; the angle varies from point to point along the great circle. great-circle course The route between two points on the earth's surface measured along the shortest segment of the circumference of the great circle on which the two points are located. A great circle establishes the shortest distance over the surface of the earth between any two terrestrial points.
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