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
- partner star
- part of speech
- part of speech tagging
- part-of-speech tagging
- part of speech tagging, POS tagging
- parton
- parton distribution function
- parton distribution function of transvers momentum
- parton energy loss
- parton model
- part requirement card
- Partridges Fly
- parts per hundred million
- parts-to-whole price ratio of vehicle model
- part-time emergency rescue team
- part-time employment
- part-time learning
- part-time peasant household
- part-time postgraduate education
- part-time professor
- part-time teacher
- part-time work safety manager
- parturient convulsion of the bitch
- parturient paresis
- parturient paresis of the cow