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- Optical brightener(Optical brightness agent): Synonymous with Optical bleaching agent. 光学增光剂:即光学漂白剂。
- Optical brighter agent 荧光增白剂
- Hot-air solder leveling soldering fluid was made from amphiprotic surface active agent, bright agent, antismoke agent, activating agent and component solvent. 摘要以两性表面活性剂（自制）、光亮剂、消烟剂、活化剂及混合溶剂为原料，配制热风整平助焊剂。
- Character s: Neutralizes residual alkali, remove rust stain and helps prevent yellowing. Contains optical brightness to keep colors and whites bright. 特性：中和洗涤后布件中的残留碱性，消除锈迹，防止织物泛黄。含荧光增白剂，使织物色彩鲜艳明亮。
- Long term monitoring of OJ287's optical brightness now indicates that the system may be precessing very rapidly, setting arecord for general relativistic precession of orbits. 对OJ287光学亮度的长期观测显示，整个系统在超高速旋转，并记录到相对论性轨道进动。
- Since ceramic products friable, easy bifida, the lack of optical brightness and beauty and colours and shapes too single, so now the gradual decline in the proportion of households using decoration. 但由于陶瓷制品易碎、易裂，缺乏光亮度与美感，且颜色与造型过于单一，所以在现在的家庭装修中使用比例逐渐下降。
- 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 Brightness for High White Coated Papers 用于高白度涂布纸的光学增白剂
- 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。
