色差-经常在折射望远镜的物镜上出现，是因为透镜不能把不同波长(颜色)的光聚焦到一点而形成的。
Chromatic Aberration — usually associated with objective lenses of refractor telescopes, is the failure of a lens to bring light of different wavelengths (colors) to a common focus.
下班后，他用透镜制作望远镜。
这种类型的望远镜称为反射望远镜，比折射望远镜更具有优势，后者需要用到两个透镜，而且会受到光学畸变效应的影响。
Such telescopes are called reflectors, and they offer major advantages over refractors, which use two lenses and suffer from optical distortion effects.
实验采用凸平直线非稳腔，将凸面镜和增益介质热透镜效应等效为望远镜系统进行分析。
In the experiment we used convex-plane unstable resonator, and analysis the convex mirrors and gain medium thermal lens as a telescope system.
哥白尼只能通过望远镜和透镜的技术去实现他的研究，而不是靠上帝。
Copernicus could not have progressed in his study of the heavens without the technology of telescopes and lenses.
探讨这种发散纤维透镜用作激光束变换元件的设计原理以及在望远镜式扩束型光学耦合系统中的应用。
The design principle of this defocusing fiber lens used as laser beam transforming device and application in an expanded beam coupling system are discussed.
这个小望远镜含有一个透镜。
文中指出了三组透镜组成的望远镜物镜系统可以解决上述困难，并给出了全部参数的解算方法、程序和算例。
This paper presents the computing methods for the parameters in the system mentioned above, the programme and the example.
文中指出了三组透镜组成的望远镜物镜系统可以解决上述困难，并给出了全部参数的解算方法、程序和算例。
This paper presents the computing methods for the parameters in the system mentioned above, the programme and the example.
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