three-dimensional projection 立体放映

three-dimensional projection screen 立体投影屏

three-dimensional projection charts 三维投影图

two-dimensional projection image 二维投照影像

two-dimensional projection 二维投影

p-dimensional projection technique p维投影技术

three-dimensional projection theory 三维投影原理

two dimensional projection analysis 二维投影分析

two dimensional projection drawings 二维投影图

finite dimensional projection method 有限维正交投影法