光通过棱镜时产生折射。Light is refracted when passed through a prism.一束光通过棱镜就会形成光谱。A spectrum is formed by a ray of light passing through a prism.棱镜把光分解成虹的各种色彩.The prism broke the light into all the colors of the rainbow....
多发于枕部(75%病例),有时会出现与额筛骨和顶骨.They are most commonly found in an occipital the cases the frontoethmoidal and parietal regions.目的通过研究鼻部筛骨钩突的CT影像 表现,评价16层螺旋CT多 平面重建成像价值.Objective To evaluate the value of MPR of ethmoidal uncin...