Four effective methods on measuring refractive index of wave guide film are given. All of the methods are studied, especially, an experiment is done by the prism coupling method.

本文讨论了四种测量波导薄膜的有效方法，对各种测量方法作了分析研究，并着重对棱镜耦合法进行了实验研究。

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The working principle and practical application of total-station meter in triangle height survey(without measuring height of meter and its prism)are introduced.

简述了全站仪不测量仪器高和棱镜高在三角高程测量中的工作原理以及实际应用状况。

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In this paper, the method of measuring refractive index using the Prism-Couoled ATR device is introduced.

本文介绍一种折射率测定方法，它是利用棱镜耦合反射装置测定全反射角来确定折射率的。

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