英德
有道
百度
谷歌
图片
维基
百科
地球椭球
earth
- 提出了基于地球椭球参考平面的交叉定位模型。
A method of cross-locating based on ellipsoid model of globe is proposed. - 推导出用三顶点的测地坐标计算地球椭球面上三角形面积的公式。
The formula for area of triangle on ellipsoid by means of geodesic coordinate is derived in this paper. - 地球椭球体表面是曲面，而地图通常要绘制在平面图纸上，因此制图时首先要把曲面展为平面。
Earth is an ellipsoid and its surface is curved, but the maps are usually drawn to the floor plan on paper. So before drawing you must spread the curved surface surface to the plane first.
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