A two-sphere system with a two-lens zero-power corrector placed behind the secondary mirror was discussed.
讨论了双贴合无光焦度校正板放在次镜后的双反射球面系统。
We are finding a parametric equation for the sphere using two variables phi and theta which happen to be part of the spherical coordinate system.
我们建立有两个变量φ和θ的球面的参数方程,它们恰好是,球坐标系统的一部分。
This paper presents a method of arc projective transformation of the fundamental geometric elements on a sphere, and sets up an are projective system for three axial and two axial correspondently.
本文提出了一种球面上基本几何元素的园弧投影变换方法，并建立了三轴及对应的二轴园弧投影体系。
The sphere grid system is mainly composed of two parts, which are the construction of sphere grids and the address coding of the grid units.
球面网格系统主要由球面网格构建和网格单元地址编码两个部分组成。
Based on the modeling of the sky, two improved methods were proposed: rotate the coordinate system of the sphere, and modify the coordinate of the texture.
针对于天空的建模，提出了两种改进方法：旋转球面坐标系法和修改纹理坐标法。
Based on the modeling of the sky, two improved methods were proposed: rotate the coordinate system of the sphere, and modify the coordinate of the texture.
针对于天空的建模，提出了两种改进方法：旋转球面坐标系法和修改纹理坐标法。
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