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- Under astigmatism even narrow parallel light beams will not combine into one point. 有象散存在时甚至很窄的平行光束都不能会聚在一点。
- Two kinds of convex lens which make parallel light rays converge to the focal point are given. 本文给出两种能使平行光严格聚焦于一点的凸透镜。
- The parallel light rays of the prnicipal axis that approach a convex lens can converge to the focal point. 只有在近轴光线条件下,平行光通过凸透镜才可近似聚焦于一点。
- The Fourier transform characteristics of off-axis hololens was discussed, which was made by using a dot light source and an inclined parallel light. 摘要利用一点光源和一束倾斜平行光拍摄了一种离轴全息透镜,并对其傅里叶变换特性进行了分析。
- A type of small-sized interferometer is reported, which makes use of the coupling of optical fiber and gradient index lens (GRIN) to form parallel light beams. 摘要介绍一种超小型光纤导光干涉仪,它利用光纤和自聚焦透镜的耦合来形成平行光路,利用半反和全反光学膜片分光。
- Presbyopic In the rest of the state of the eye so that the parallel light to form behind the retina known as the focal point of hyperopia (hypermetropia, hyperopia). 一般的钢琴教师 都是从音乐学院或师范类学校的音乐专业毕业的,所以 一般的教学方法 都是从学校 搬 过来的,一般学院里的钢琴教育方法,都是以 练习曲或古典曲 为主,专业性比较强!
- However,no one talks about the experimental result:if a doubler with a pair of parallel light pass surfaces cut in Brewster angle can reduce reflective losses in frequency conversion? 但并没有人谈到过实验结果 :这种将倍频器的通光面切割成相互平行的具有布儒斯特角的方法 ,是否真能减少倍频器的反射损耗 ?
- direct shadow parallel light apparatus 平行光束阴影摄谱仪
- Large aperture parallel light pipe 大口径平行光管
- I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
- The railway lines run parallel to the road. 铁路线和那条道路平行。
- The portrait shows fine effects of light and shade. 这幅肖像画的浓淡色调表现得很好。
- Her experiences parallel mine in many instances. 她的经历多与我的相似。
- My experience in this matter is parallel to yours. 在这件事情上,我的经验和你的类似。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- The road runs parallel with the railway. 该公路与铁路平行。
- Now I begin to see light on their good intentions. 现在我对他们的良好动机开始有所领会了。
- Searching lights traversed the sky. 探照灯扫过天空。
- The bright light of the car dazzled me. 这汽车的灯光使我目眩。
- The two generators operate in parallel. 这两台发电机并联发电。