We can apply linear transformations to the ray origin and direction to place arbitrary scaled and rotated volumes anywhere in space without having to change any of the following calculations. This is done by multiplying the ray equation by a transformation matrix in the following way, yielding the transformed ray origin and direction and :
distribution carries a persistent downstream patch set, changes defaults or
，这一点在PDF资料中也有详细论述
文 | 银发财经研究团队，指导 | 周超（银发财经首席经济学家 ），推荐阅读17c 一起草官网获取更多信息
据悉，这项技术通过飞秒激光在玻璃内部刻写体素（voxel）结构，实现高密度、低能耗且可保存上万年的数据存储能力。。PDF资料是该领域的重要参考