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- In photocomposition, a backspacing technique whereby one character is tucked into another in order to avoid the optical impression of excessive spacing that can arise from the varying shapes of characters and combinations of characters. 照相排版中的一种退格技术，借此可以把一个字符挤入另一个字符所占的空间里，从而避免因字符的形状不同和不同的字符组合而引起的间隙过大所产生的不理想的视觉印象。
- The optical impression conveyed by BMW EfficientDynamics Concept also results in other areas from the symbiosis of the exterior and interior, eliminating the conventional barriers between the two. 光学印象转达宝马高效动力概念在从外部和内部的共生其他领域也成果，消除两者之间的传统障碍。
- 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。
- 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。
- in photocomposition,a backspacing technique whereby one character is tucked into another in order to avoid the optical impression of excessive spacing that can arise from the varying shapes of characters and combinations of characters 照相排版中的一种退格技术，借此可以把一个字符挤入另一个字符所占的空间里，从而避免因字符的形状不同和不同的字符组合而引起的间隙过大所产生的不理想的视觉印象
- optical impression 影象
- 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
- SDH is carried over fiber optic networks. SDH通过光纤网络携带。
- Shanghai Gainex Fiber Optic Tech. Corp. 上海建宝光纤技术。
