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- Performance of optical system can be improved by employing aspherical elements.Computer-controlled optical surfacing (CCOS) is one of the most important methods in fabrication of optical aspheres. 光学非球面的使用可以提高光学系统的性能、简化系统结构、减小系统体积，减轻系统重量，计算机控制光学表面成形（CCOS）方法是加工光学非球面的重要方法。
- Keywords optical aspherics;coordinate measurement;posture error;model parameter estimation; 光学非球面;坐标测量;位姿误差;模型参数估计;
- His optic nerve was hurt in an accident. 他的视神经在一次事故中受到损伤。
- Microscopes and telescopes are optical instruments. 望远镜和显微镜是光学仪器。
- The optic theory originated with Einstein. 光学理论是爱因斯坦首创的。
- optical aspherics 光学非球面
- A mirage is an optical illusion. 海市蜃楼是一种视错觉。
- A system of optical components that magnifies. 能起放大作用的一组光学元件
- Showing no optical activity in polarized light. 无旋光的极化光下无光学反应的
- The optical system of the eye stimulate cell of the retina. 眼睛的视觉系统刺激视网膜内的细胞。
- I thought I saw a ghost but it was just an optical illusion. 我以为我看见鬼了，其实只是一种幻觉。
- They concentrated on better definition of the optical image. 他们致力于提高该光学影像的鲜明度。
- The optical system of the eye stimulates cells of the retina. 眼睛的视觉系统刺激视网膜内的细胞。
- Light stimulates the optic nerve. 光刺激视神经。
- One that sells lenses, eyeglasses, and other optical instruments. 眼镜商，光学仪器商出售光学仪器、眼镜或其它光学仪器的人
- A light-sensitive unit used with an optical arrangement for scanning images. 与光学装置一起用来扫描图象的一种光敏装置。
- An optical effect proper to fluids. 液体所固有的光学效果
- Keywords ultra-precision grinding;optical aspheric surfaces;wheel truing; 超精密磨削加工;光学非球曲面;砂轮修整;
- SDH is carried over fiber optic networks. SDH通过光纤网络携带。
