vector display meaning in Chinese

方向条显示
矢量显示
向量显示器

Because the earth is a non - outspread sphere , plane vector visualization will induce some errors . we analyze its problems , and propose a vector display method based on cartography and in the sphere coordinate system , evolve the formula . we make experiments and prove the formula is right , new method can get better vector display
本文对直接表示方法存在的问题进行了讨论，提出了一种新的基于地图投影的向量可视化方法，并给出了球坐标系下的向量可视化方法，推导出坐标和向量的变换公式。