refractive

1. What is a refractive error?: 什么是屈光不正？

2. The three most common refractive errors are: 最常见的屈光不正有三种

3. The refractive faces of the glass, you see.: 你看这玻璃的折射面。

4. As with any surgery, refractive surgery carries risks, including.: 正如任何外科手术，屈光手术也有风险，包括如下。

5. The deceleration gives the new medium a different refractive index.: 减速使新介质获得不同的折射率。

6. Most insurance companies do not cover the cost of refractive surgery.: 但大多数保险公司却并不支付屈光手术的费用。

7. Uncorrected refractive errors (myopia, hyperopia or astigmatism), 43 %.: 未经矫正的屈光不正(近视、远视或散光)，43%。

8. There are three primary types of refractive errors: myopia, hyperopia and astigmatism.: 有三个主要类型的屈光不正：近视，远视和散光。

9. The most common types of refractive errors are myopia, hyperopia, presbyopia, and astigmatism.: 最常见的屈光不正有：近视、远视、老花眼和散光。

10. ObjectiveTo determine the relationship between corneal curvature and clinical refractive change.: 目的研究角膜曲率与临床屈光变化之关系。

11. A waveguide is characterized by a region of high refractive index bounded by regions of lower index.: 波导就是折射率高的区域由折射率低的区域包裹的结构。

12. The elective use of aspirin and nonsteroidal anti-inflammatory drugs is discouraged for refractive cases.: 对于屈光不正的病例，我们不建议选择性使用阿司匹林及非甾体类消炎药。

13. The refractive index of the PDLC is measured and it is coincident with the results by other methods.: 用此方法测量了某聚合物分散液晶的折射率，与用其他方法得到的结果相符。

14. If the refractive index is larger, the translocation difference of the measurement volume is larger.: 管壁材料的折射率越大，测量体的位置与管壁厚趋时位移差也越大。

15. A transmit matrix method to analyze the characters of irregular refractive index grating are provided.: 介绍了一种可以分析任意折射率分布的光纤光栅的传输矩阵方法。

16. Finally the effect of refractive index gradient on the wave surface quality of laser beam is discussed.: 讨论了折射率梯度对传输激光波面质量的影响和波面补偿的可能性。

17. This exact control of optical phase is based on a unique combination of negative and positive refractive indices.: 精确得控制光子相位是基于独特得组合负和正的折射率器件。

18. Light in the vicinity of the pulse is slowed more and more when the refractive index changes as the pulse passes by.: 随着脉冲经过，折射率发生改变，靠近脉冲的光速度越来越慢。

19. Because shock waves represent a stark and sudden change in refractive index, they show up clearly in schlieren photographs.: 因为冲击波反映了折射率的明显和突然的变化，他们能在纹影摄影中清楚地被展现出来。

20. That's probably because aragonite has two refractive indices, the extent to which a particular material focuses incoming light.: 这可能是由于碳酸钙晶体具有两种折射率——折射率会限定某种物质聚焦入射光线的范围。

21. Your eye doctor may recommend another type of refractive surgery if you're not a good candidate for LASIK eye surgery. These include.: 如果你不是LASIK眼科手术的适合者，眼科医生会推荐你其他类型的屈光手术。

22. The technique can image variations in what is known as the refractive index of air - in essence, the speed of light in a given medium.: 这项技术能够使空气折射率图形化-本质上就是特定介质下的光速。

23. Probability Distributions for the Inner Scale and the Refractive Index Structure Parameter and Their Implications for Flux Averaging.: 内尺度和折射指数结构参数的概率分布及其在计算通量平均值值的应用。

24. Of these, 12 million children are visually impaired due to refractive errors, a condition that could be easily diagnosed and corrected.: 其中，1200万儿童视力因屈光不正受损，这种病情易于诊断和矫正。

25. Instrument testing, usually by polarizing instrument to test the structure of its crystals, through the refractometer to test its refractive index.: 仪器测试，通常是通过偏光仪来测试它的结构晶体，通过折射仪来测试它的折射率。

26. From the refractive index of each path it is possible-with the application of some suitably crunchy computing power-to produce a three-dimensional image.: 从每条路径的折射率——再运用一些适当的计算处理能力——就可以组成一个三维图像。

27. In natural materials, light waves entering at an Angle always bend to plunge more steeply into the material-the hallmark of a refractive index greater than 1.: 在自然物质中，以一定角度进入的光波，进入物质后的角度更小——标志着折射率大于1。

28. Refractive errors cannot be prevented, but they can be diagnosed by an eye examination and treated with corrective glasses, contact lenses or refractive surgery.: 屈光不正无法预防，但可通过验光作出诊断，并可选择眼镜、隐形眼镜或手术加以矫正。

29. Refractive errors cannot be prevented, but they can be diagnosed by an eye examination and treated with corrective glasses, contact lenses or refractive surgery.: 屈光不正无法预防，但可通过验光作出诊断，并可选择眼镜、隐形眼镜或手术加以矫正。

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