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- optical flint glass 火石光学玻璃
- The lens telescope, or refractor, was vastly improved when it became possible to manufacture high-quality lenses made from flint glass. 透镜望远镜，或称折射望远镜，在人们能够制造出高质量的火石玻璃透镜以后得到了很大的改进。
- In this paper, the authors studied the cause of coloration of flint glass in different melting processes and analized the Pt, Rh content of the melt. Then, by adding rhodium oxide to the glass, the minimum content of Pt, Rh for coloration was studied. 本文研究了不同的二次熔炼工艺制度下火石光学玻璃的着色,分析了玻璃中的铂铑含量,?K用加入不同量氧化铑的方法研究了玻璃着色的最低铂铑含量。
- An achromatic lens system may consists of several cemented or separated groups of orown and flint glasses. 一个消色差的透镜系统可由若干个互相贴合的或互相分离的、由冕玻璃和火石玻璃组成的组元组成。
- Flint glass burette with ptfe stopcock 聚四氟乙烯旋塞滴管
- Experience for Production of Flint Glass 高白料生产的几点体会
- A Study on Improving Chemieal Dur Ability?of Dense Flint Glass by Ion Exchange 离子交换提高重火石玻璃表面化学稳定性的研究
- 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。
- A mirage is an optical illusion. 海市蜃楼是一种视错觉。
- Lead and cadmium in optical and filter glass. 光学和过滤玻璃中的铅和镉。
- 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 lens telescope, or refractor, was vastly improved when it became possible to manufacture high-quality lenses made from flint glass 透镜望远镜，或称折射望远镜，在人们能够制造出高质量的火石玻璃透镜以后得到了很大的改进。
- A lens made of optical crown glass. 用冕光学玻璃制成的透镜。
- 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。
- optical flint 火石光学玻璃
- 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。
