refractive

简明释义

英[rɪˈfræktɪv]美[rɪˈfræktɪv]

adj. 折射的

英英释义

单词用法

同义词

反义词

例句

1.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。

2.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。

3.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。

4.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。

5.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。

6.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。

7.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。

8.The eye's lens is a crucial part of its refractive 折射的 system, helping to focus light onto the retina.

眼睛的晶状体是其重要的折射的系统的一部分，帮助将光线聚焦到视网膜上。

9.Optometrists often measure the refractive 折射的 error to determine the correct prescription for glasses.

验光师通常测量折射的误差以确定眼镜的正确处方。

10.The refractive 折射的 index of a material determines how much light bends when it enters that material.

材料的折射的指数决定了光进入该材料时弯曲的程度。

11.Lasik surgery aims to correct refractive 折射的 issues by reshaping the cornea.

Lasik手术旨在通过重塑角膜来矫正折射的问题。

12.Different wavelengths of light have different refractive 折射的 properties in glass.

不同波长的光在玻璃中具有不同的折射的特性。

作文

Light has always fascinated humanity, not only because of its essential role in our daily lives but also due to its complex nature. One of the most intriguing aspects of light is its behavior when it encounters different materials. This brings us to the concept of refractive (折射的) properties of substances. When light travels from one medium to another, such as from air to water, it bends or changes direction. This bending of light is what we refer to as refraction, and it is primarily determined by the refractive (折射的) index of the material. The refractive (折射的) index is a dimensionless number that describes how fast light travels in a medium compared to its speed in a vacuum. The phenomenon of refraction is not just a scientific curiosity; it has practical applications in various fields. For instance, in optics, lenses are designed based on their refractive (折射的) properties to focus or disperse light. A simple magnifying glass utilizes a convex lens to bend light rays in such a way that they converge at a point, creating a magnified image of an object. The refractive (折射的) index of the glass used in the lens plays a crucial role in determining how effectively it can magnify objects. Moreover, the refractive (折射的) properties of materials are vital in the design of various optical instruments, including microscopes and telescopes. These devices rely on precise calculations of light behavior to provide clear and accurate images. Without understanding the refractive (折射的) index, scientists and engineers would struggle to create effective optical systems. In addition to optics, the refractive (折射的) properties of materials have implications in other scientific areas as well. For example, in geology, the refractive (折射的) index can help identify minerals. Different minerals have unique refractive (折射的) indices, which can be measured using specialized equipment. By analyzing these indices, geologists can determine the composition of rocks and minerals, aiding in resource exploration and environmental studies. Furthermore, the study of refractive (折射的) properties extends into the realm of photography and cinematography. Photographers must understand how light interacts with different lenses and filters to achieve the desired effects in their images. The refractive (折射的) characteristics of camera lenses can dramatically alter the depth of field, focus, and overall aesthetic of a photograph. In conclusion, the concept of refractive (折射的) properties is fundamental to our understanding of light and its interaction with various materials. From optical instruments to geological studies and artistic endeavors, the implications of refraction are vast and varied. As we continue to explore the mysteries of light, the significance of refractive (折射的) properties will undoubtedly remain a key topic of interest in both scientific research and practical applications. Understanding this concept not only enhances our knowledge of physics but also enriches our appreciation for the natural world around us.

光一直吸引着人类，不仅因为它在我们日常生活中的重要作用，还因为它复杂的本质。光遇到不同材料时的行为是最令人着迷的方面之一。这使我们想到了物质的refractive（折射的）特性。当光从一种介质传播到另一种介质时，例如从空气到水，它会弯曲或改变方向。这种光的弯曲现象被称为折射，主要由材料的refractive（折射的）指数决定。refractive（折射的）指数是一个无量纲数，描述了光在某一介质中传播的速度与其在真空中速度的比较。 折射现象不仅是科学的好奇心；它在各个领域都有实际应用。例如，在光学中，透镜的设计基于其refractive（折射的）特性来聚焦或分散光线。一个简单的放大镜利用凸透镜以这样的方式弯曲光线，使其聚集到一个点上，从而创建物体的放大图像。用于透镜的玻璃的refractive（折射的）指数在决定其放大物体的有效性方面起着至关重要的作用。 此外，材料的refractive（折射的）特性在各种光学仪器的设计中也至关重要，包括显微镜和望远镜。这些设备依赖于对光行为的精确计算来提供清晰准确的图像。如果不理解refractive（折射的）指数，科学家和工程师将很难创建有效的光学系统。 除了光学，材料的refractive（折射的）特性在其他科学领域也有影响。例如，在地质学中，refractive（折射的）指数可以帮助识别矿物。不同的矿物具有独特的refractive（折射的）指数，可以使用专业设备进行测量。通过分析这些指数，地质学家可以确定岩石和矿物的成分，有助于资源勘探和环境研究。 此外，refractive（折射的）特性的研究延伸到摄影和电影制作的领域。摄影师必须了解光如何与不同的镜头和滤镜相互作用，以实现他们图像中的预期效果。相机镜头的refractive（折射的）特性可以显著改变景深、焦点和照片的整体美感。 总之，refractive（折射的）特性的概念是我们理解光及其与各种材料相互作用的基础。从光学仪器到地质研究，再到艺术创作，折射的意义广泛而多样。随着我们继续探索光的奥秘，refractive（折射的）特性的意义无疑将继续成为科学研究和实际应用中的关键主题。理解这一概念不仅增强了我们对物理的认识，也丰富了我们对周围自然世界的欣赏。