并且，在该小行星的形状取三轴椭球体和在几何反射定律等假定之下，给出了关于该小行星的光度变化理论。
A new photometric theory of Eros based upon a three-axis ellipsoid model at full phase obeying Lommel-Seeliger 's law is presented.
本文提出了一种结合椭球算法和仿射算术的新方法求解鲁棒性几何规划。
A new method that combines the ellipsoid method and affine arithmetic is presented.
基于此，扼要提出应用重力大地水准面法、几何大地水准面法和综合法将GPS椭球高改化为正高的方法。
This paper puts forward, in the point, gravimetric geoid method, geometric geoid method and synthesis method to transform ellipsoid height into orthometric height.
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