ACD changes and relevant factors should be considered in studying the accuracy of IOL refraction formula and in adjusting the calculated data.
在研究IOL屈光度数计算公式的准确性和调整公式的计算值时，应考虑术后acd的变化及其相关因素。
For this new type fiber end, the ray refraction formula at a spherical surface and the ray trace equation are used to analyze ray transformation properties.
借助于光纤在球面上的折射公式及光线传输方程，分析了这种新型单模光纤端的光学传递性质。
This paper proposes a formula fitting method for realtime correction of radio wave refraction errors for fast determination of the refraction error and improvement of radio instrumentation accuracy.
本文给出了电波折射误差实时修正的公式拟合方法，该方法在实际应用中能够快速得到折射误差，从而提高了雷达测量精度。
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