| 单词 | spherical surface |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔projection〕A system of intersecting lines, such as the grid of a map, on which part or all of the globe or another spherical surface is represented as a plane surface.棋盘格：相互交叉的线条，如地图的网络系统，在这种系统内部分或全部球体或别的球面被显示为一个平面美国传统〔spherical polygon〕A part of a spherical surface that is bounded by arcs of three or more great circles.球面多边形：球面上由三个或更多个大圆圆弧界成的部分美国传统 |
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