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At present electronic theodolite has been used widely in Angle measuring, according to the Angle measuring principle can be divided into incremental counting method and absolute coding method.

电子经纬仪是目前应用较为广泛的角度测量仪器，按其角度测量原理可分为增量计数法和绝对编码法。

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The method to measure the refraction rate of liquids by using the least deflection angle is introduced and analyzed in this paper.

介绍一种利用分光计及自制盛液“三棱杯” ，采用最小偏向角法测量液体折射率的方法，并对该法进行了分析和讨。

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Russell and Xu's method starts with a sliced crystal, either sapphire or silicon, cut at an angle that exposes a ragged section of the crystal's lattice structure.

FORBES: Nanotech