The measuring system consists of a laser diode, an optical ring pattern generator and a CCD camera.

测量系统主要由半导体激光器、环形光发生器以及CCD摄像机组成。

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The effect of the size of the central dark spot in Newtons ring pattern on measuring results has been analyzed, and a solution is given.

本文分析了牛顿环中心暗斑大小对测量结果的影响，并给出了解决方法。

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Smaller concentric circles on the end give a nice ring pattern and some areas of darker shading at the bottom of the log give it some depth.

最终为小同心圆给一个不错的铃声模式，在日志底部和黑暗的阴影部分地区给予一定的深度。

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There is no way that you could irradiate a crystal of nickel with a single beam of x-rays and get that circular ring pattern if the electron beam were behaving as a particle beam only.

没有什么其他的途径,可以让镍晶体发射,单束X光来,继而得到环状图案,如果电子束,是以粒子束形式出现的。

麻省理工公开课 - 固态化学导论课程节选

One station controls the height of the sphere, another its angle, and a third lets you pick the pattern displayed on the LED ring.

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