The validity of simulating star map is verified by using the angle-distance of stars and projection theorem.
利用星间角距和投影原理的性质来验证星图模拟的有效性。
Theorem of projection is more important in the study of prediction of stationary discrete-time sequence and function approximating.
投影定理在平稳时间序列的预报及函数逼近研究中起着重要的作用。
By using the fixed point theorem, we prove some new existence theorems of the solution for this class of nonlinear projection equations in Hilbert Spaces.
利用不动点定理，我们得到了关于这类非线性投影方程解的一些新的存在性定理。
Second we present the convolution surface and curve correspondence theorem under orthogonal projection, which provide a bridge between 2D image contour and 3D human model.
本文提出了正交投影下卷积曲面和曲线对应的概念和相关定理，为二维的图像轮廓和三维人体模型之间的架起一道桥梁；
The theorem of projection of acceleration has been presented in this paper. According to the theorem, projection relation of acceleration of arbitrary two points on the plane figure is built.
本文提出了“加速度投影定理”，根据这一定理，建立了平面图形上任意两点加速度的投影关系。
The theorem of projection of acceleration has been presented in this paper. According to the theorem, projection relation of acceleration of arbitrary two points on the plane figure is built.
本文提出了“加速度投影定理”，根据这一定理，建立了平面图形上任意两点加速度的投影关系。
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