您要查找的是不是：
- Optical Barrel Camera 光学管状照相机
- DOES THIS CAMERA HAVE OPTICAL OR DIGITAL ZOOM? 这架相机使用的是光学变焦还是数字变焦?
- My camera has an optical viewfinder. 我这个照相机装有光学取景器。
- 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。
- 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。
- A displaced image in a photograph caused by the optical system of the camera. 重影由照相机的光学系统引起而出现在照片上的重像或幻影。
- 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
- The TA31RCO is an Advanced Combat Optical Gunsight (ACOG) designed for the M16A4 weapon system (20" barrel). 这一款比上面一款更先进！这款是给M16A4用的（20英寸长的枪管）（看来是给海军陆战队用的）。
- SDH is carried over fiber optic networks. SDH通过光纤网络携带。
