理学 路径跟踪方法 释 ray casting 光线投射 光线投射技术是基于几何光学的绘制方法的基础。它由视点出发逐像素地向外发射光线，寻找光线与场景的第一个表面交点。
计算机应用 计算机辅助设计与图形学 释文 ray casting 光线投射
- Songs of Baishi Taoist
- songs of ceremony or ritual
- songs of current affairs
- Songs of Experience
- Songs of Fufeng
- Songs of Innocence
- Songs of King Langya
- Songs of Longtou
- Songs of the South
- Songs of Wang Mingjun
- Songs of Yao Minority from Distant Mountains
- Song State
- Song Sui
- Song Tao
- Songtao irrigation district
- Songtao Miaozu Zizhixian
- Songtao Reservoir
- Songtao Shuiku
- Song Tianhu
- Song tomb
- Song typeface
- Song Wan
- Song Weibo
- Song Wencong
- Song Wenzhi