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
- laser sintering
- laser solid-solution strengthening
- laser source
- laser space communication
- Laser speckle
- laser speckle
- laser speckle imaging non-destructive testing
- laser speckle interfer
- laser spectral analysis
- laser spectroelectrochemistry
- laser spectrometry
- laser spectroscopy
- laser spectroscopy of cold atoms
- laser spectrum
- laser spectrum analyzer
- laser spike
- laser spiking
- laser spot tracker
- laser spot welding
- laser stability
- laser stage recorder
- laser stealth materials
- laser stimulated luminescent photography
- laser stylus
- laser surface modification