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
- Tanggula Shanmai
- Tanggulashan Zhen
- Tang Guoqiang
- Tanggu Truce
- Tang Hanchu
- Tang Haoming
- Tang He
- Tanghe Shuiku
- Tanghe Xian
- Tanghe Zhen
- Tang Hongxiao
- Tang Hou
- Tang Huaiqiu
- Tang Huixiu
- tangible cultural heritage
- Tangible Interaction
- Tangible User Interface
- tangible user interface
- Tangier
- Tangjarik Joldi
- Tangjiagang
- Tangjiagang Culture
- Tangjiahe nature reserve
- Tangjian-Lessons from Tang Dynasty
- tangjiashan landslide， beichuan，sichuan province