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- lunar optical altimeter 登月用光学测高计
- Lunar optical astronomical telescope consists of five parts: long focus telescope, detector, bracket of telescope, control system and appendant equipment. 月基光学天文望远镜由长焦距望远镜、探测器、望远镜支架、控制系统和附属设备五部分组成。
- A lunar occultation of a quasar. 类星体的月星掩测定
- A month, especially a lunar month. 太阴月一个月，尤指阴历的月
- 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。
- A luminous spot on a lunar halo. 幻月，假月月晕上的光斑
- The optic theory originated with Einstein. 光学理论是爱因斯坦首创的。
- The astronauts piloted their craft down to the lunar surface. 宇航员驾驶宇宙飞船在月球表面降落。
- A mirage is an optical illusion. 海市蜃楼是一种视错觉。
- lumar optical altimeter 登月用光学测高计
- 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
- It was reported that there would be a lunar eclipse tomorrow evening. 据报道说，明天晚上有月食。
- optical altimeter 光学高度计
- News of the lunar landing swept the country. 登陆月球的消息一下传遍全国
- 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。
- A young Air Force officer served as lunar module pilot for Apollo 16. 一位年轻的空军军官担任了阿波罗16号登月舱的驾驶员。
- The lunar gravity is about one-sixth that on earth. 月亮的引力大约为地球的六分之一。
- Solar perturbation of the lunar orbit. 出差由于太阳引力引起的月球轨道运动的摄动
