The mathematical model of the surface shape measurement of aspherical optical components is built up according to the laser scanning measurement principle by the translation & rotation method.
根据激光扫描平移加旋转法的测量原理，推导出了非球面光学零件面形测量的数学模型；
The working principle of optical pickup and the measuring principle of rotation shaft torque using optical pickup and photoelectric method are introduced in this paper.
本文介绍了激光读出头的工作原理，提出了一种采用激光读出头、运用光电方式对转轴扭矩进行测量的原理。
A rapid method for analysis of fructose and glucose is based on the index of refraction and the degree of optical rotation of the solution to be assayed.
果糖和葡萄糖快速分析方法的原理是测定待测溶液的折光度和旋光度。
A rapid method for analysis of fructose and glucose is based on the index of refraction and the degree of optical rotation of the solution to be assayed.
果糖和葡萄糖快速分析方法的原理是测定待测溶液的折光度和旋光度。
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