less than normal refraction

简明释义

小于正常折射

英英释义

例句

1.During the eye exam, the doctor discovered less than normal refraction in the patient's left eye.

在眼科检查中，医生发现患者左眼存在低于正常的折射率。

2.The optometrist noted that the patient's vision was affected by less than normal refraction.

验光师指出，患者的视力受到低于正常的折射率的影响。

3.In cases of less than normal refraction, corrective lenses may be necessary.

在低于正常的折射率情况下，可能需要矫正镜片。

4.Astronomers must account for less than normal refraction when observing celestial bodies near the horizon.

天文学家在观察接近地平线的天体时，必须考虑到低于正常的折射率。

5.The engineer explained that the light passing through the prism exhibited less than normal refraction due to its material.

工程师解释说，由于材料的原因，光线通过棱镜时表现出低于正常的折射率。

作文

Refraction is a fundamental concept in physics and optics that describes how light bends when it passes from one medium to another. This bending of light is essential for various applications, including lenses, glasses, and even the design of optical instruments. However, sometimes the refraction experienced by light can be less than expected due to specific conditions or materials. This phenomenon is referred to as less than normal refraction, which indicates that the degree of bending is not what is typically anticipated based on standard refractive indices.Understanding less than normal refraction is crucial in many fields, particularly in optics and engineering. For example, when designing lenses for eyeglasses, optometrists must consider various factors that can lead to less than normal refraction. These factors may include the material of the lens, the shape of the lens, and the wavelength of light being used. If the lens material has a lower refractive index than expected, the light will bend less, resulting in a vision correction that is not as effective as intended.In addition to its implications in optics, less than normal refraction can also have practical consequences in everyday life. For instance, when we observe objects underwater, they may appear closer or distorted due to the less than normal refraction of light as it transitions from air to water. This effect can lead to misjudgments about distances and sizes, which is why swimmers and divers need to understand how light behaves in different environments.Moreover, less than normal refraction can occur in atmospheric phenomena. For example, when light passes through layers of air with varying temperatures and densities, the refraction can be less than normal, causing mirages or other optical illusions. These occurrences remind us of the complexities of light behavior and the importance of understanding how environmental factors can influence our perception of reality.In scientific research, studying less than normal refraction can provide insights into material properties and their interactions with light. Researchers often conduct experiments to measure the refractive indices of various substances, seeking to understand how and why certain materials exhibit this less-than-normal behavior. Such studies can lead to advancements in technology, such as the development of new optical fibers or improved imaging systems.In conclusion, less than normal refraction is a significant concept that extends beyond the realm of physics into everyday experiences and technological advancements. By recognizing the implications of this phenomenon, we can better appreciate the intricate nature of light and its interactions with different materials and environments. Whether in the context of improving vision correction, understanding underwater observations, or exploring atmospheric effects, the study of less than normal refraction continues to be a vital area of inquiry in both science and practical applications.

折射是物理学和光学中的一个基本概念，描述了光在从一种介质穿过另一种介质时如何弯曲。这种光的弯曲对于各种应用至关重要，包括透镜、眼镜，甚至光学仪器的设计。然而，有时光的折射可能由于特定条件或材料而低于预期。这种现象被称为低于正常折射，表示弯曲的程度并不是基于标准折射率所预期的。理解低于正常折射在许多领域中至关重要，特别是在光学和工程学中。例如，在设计眼镜透镜时，验光师必须考虑可能导致低于正常折射的各种因素。这些因素可能包括透镜的材料、透镜的形状以及所使用光的波长。如果透镜材料的折射率低于预期，光的弯曲将减少，导致视力矫正效果不如预期。除了在光学中的影响外，低于正常折射在日常生活中也会产生实际后果。例如，当我们观察水下物体时，由于光在空气和水之间的转换时发生了低于正常折射，它们可能看起来更近或变形。这种效应可能导致对距离和大小的误判，这就是为什么游泳者和潜水员需要了解光在不同环境中的行为。此外，低于正常折射也可能发生在大气现象中。例如，当光通过具有不同温度和密度的空气层时，折射可能会低于正常，导致海市蜃楼或其他光学错觉。这些现象提醒我们光行为的复杂性，以及理解环境因素如何影响我们对现实的感知的重要性。在科学研究中，研究低于正常折射可以提供关于材料特性及其与光相互作用的见解。研究人员通常进行实验以测量各种物质的折射率，试图理解某些材料为何表现出这种低于正常的行为。这类研究可以推动技术进步，例如开发新的光纤或改进成像系统。总之，低于正常折射是一个重要的概念，它超越了物理学的范围，扩展到日常体验和技术进步中。通过认识到这一现象的影响，我们可以更好地欣赏光的复杂性及其与不同材料和环境的相互作用。无论是在改善视力矫正、理解水下观察还是探索大气效应的背景下，对低于正常折射的研究仍然是科学和实际应用中一个重要的探究领域。