您要查找的是不是:
- When viewing the moon with an optical aid, you may find it better to observe at early dusk or even before sunset. 在光学仪器的帮助下去看月球,你会发现刚入黄昏或更甚在日落前观测到效果更佳。
- The head of the comet remains quite bright and easily visible to even city observers without any optical aide. 彗星的彗核仍然非常明亮,因此不需藉助任何设备,用肉眼就可以看到。
- 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。
- optical aids 助视器
- "Optometrists prescribe optical aids (e.g., eyeglasses, contact lenses), supervise eye exercise programs to treat vision problems, and examine the eyes for disorders such as glaucoma and cataracts." 验光师的任务是开出眼镜处方(例如眼镜、隐形眼镜)、监督患者执行改善视力的锻练计画和检查诸如青光眼、白内障这些眼睛病变。
- 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
- optical aid 视觉辅助器,光学辅助工具
- 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。