Read Edit View history 大圆 dàyuán great circle Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 大圆/大圓 · dàyuán · great circle 2026/03/04 大圆 / 大圓 dàyuán great circle great circle (in spherical geometry) 球面上任何过球心的平面与球面相交所得的圆叫做大圆。 created sense Mar 4, 2026, 02:25 AM