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- A lens is an optical system including two refracting surfaces. 一个透镜是包含两个折射面的光学系统。
- Angle of Incidence The angle between an incident ray and the normal to a reflecting or refracting surface. 入射角度入射光与照射在反射或折射平面上的正常光线之间的角度。
- That is, a plane refracting surface does not image all rays from a point object at the same image point. 就是说,平面折射面并不能将来自点物的所有光线都成象于同一家点。
- According to geometric feature of spherical surface,the misalignment characteristics of single spherical refracting system when the refracting surface was tilted and decentered were analyzed. 根据球面的几何特征,分析了单球面折射光学系统折射面倾斜和偏心时的失调特征;
- Researches on Imaging of Prism Refracting Surface 三棱镜折射面成像研究
- An indented or concave surface or area. 凹陷，洼地凹的表面或地区
- A concave surface, structure, or line. 凹面、凹形结构、或凹线
- His figure looks very funny in the concave mirror. 他的样子在凹镜里显得非常可笑。
- An indentedor concave surface or area. 凹陷,洼地凹的表面或地区。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- The calm water surface is very much like a mirror. 那平静的水面十分象一面镜子。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- He is honest only on the surface. 他只是表面诚实而已。
- Just as a double convex lens enlarges, so a double concave lens reduces. 正象双凸透镜可以放大那样，双凹透镜也可以缩小。
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
- Refracting light without spectral color separation. 消色差的，不分光的折射光没有光谱颜色分离的
