...教室时要关灯 » When he left the classroom when he was told to turn off the lights 设计光学镜头 » Design of optical lens 今天是8月5日，补习班放假了，对于我来说，这是一件值得快乐的事，可是，却由于成绩的影响，我高兴不起来。悲剧啊。
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Design of optical lens and tolerance analysis, Research and optical measurement scheme is put forward and select plastic material.
设计光学镜头并进行公差分析，研究并提出光学测量方案，选择塑胶材料。
During the design process of Blu-ray disc optical pick-up, the optical system and the collimator lens design is especially important.
在蓝光光盘光学头设计过程中，光学系统的设计，有举足轻重的作用，特别是准直镜的设计。
The optical design and optical efficiency of line focus cylindrical Fresnel lens for solar concentrator are discussed.
研究了柱面线聚焦菲涅耳太阳聚光透镜的光学设计和光学效率。
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