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Aspheric optical parts manufacturing is an acknowledged difficulty and it is uneconomical. 非球面光学零件加工是当前国内外公认的难题。
In order to guarantee surface precision of using locus shaping method machining optical parts, the factors of fine grinding machine which affects surface error of part is theoretically analysed. 为了保证用轨迹成型法加工光学零件的面形精度，对精密磨削机床影响工件面形误差的因素进行了理论分析。
Along with the technical development, optics part microminiaturization will cause the discrete component inevitably to the array part development. 为了适应科技的发展,光学元件的微型化势必使分立元件向阵列元件发展。
Now that you know what you're dealing with, look into the empty focuser and try to identify the optical parts just described. 好的目镜在视场中央成像锐利，但在目镜的边缘即使最好和最昂贵的目镜成像也不行。
For solving the difficulties of machining aspheric optical parts,a new principle of normal equidistance line offsetting methods is put forward,machining method for rotated conicoid. 为了解决非球面光学零件加工难的问题,提出了法线等距离线法加工二次旋转曲面的新原理,并对其理论、成形机理及机床结构原理进行了研究,进而说明了该技术的优点。
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。
Aspheric optical parts processing 非球面光学零件加工
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。
Mirrors attached to the rollers form part of an optical system. 装在圆筒上的小镜是光学系统的一部分。
Normal equidistance line method on aspheric optical parts machining 法线等距离线法加工非球面光学零件的研究
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。
Abstract: he optical system is an important part of star sensors. 文摘:光学系统是星敏感器的重要组成部分。
Keywords locus shaping method;aspheric optical parts;conic curve; 轨迹成型法;非球面光学零件;二次曲线;