refractor

简明释义

英[rɪˈfræktə(r)]美[rɪˈfræktər]

n. 折射透镜；折射媒体；[光] 折射望远镜

英英释义

单词用法

同义词

反义词

例句

1.Chromatic Aberration — usually associated with objective lenses of refractor telescopes, is the failure of a lens to bring light of different wavelengths (colors) to a common focus.

色差-经常在折射望远镜的物镜上出现，是因为透镜不能把不同波长(颜色)的光聚焦到一点而形成的。

2.Chromatic Aberration — usually associated with objective lenses of refractor telescopes, is the failure of a lens to bring light of different wavelengths (colors) to a common focus.

色差-经常在折射望远镜的物镜上出现，是因为透镜不能把不同波长(颜色)的光聚焦到一点而形成的。

3.In general you have to continuously test and evaluate you efforts, measure quality, learn, learn more and refractor for designing and building reusable and valuable services.

通常来说，为了设计和构建可重用有价值的服务，你必须持续测试和评估你的劳动成果、度量质量、不断学习和重构。

4.The preconditioned fastest descent means in inversion achieves simultaneous in - versions of overlying-bed velocity and refractor depth.

反演过程中利用具先决的最速下降法，可解决覆盖层速度和折射界面深度同时反演问题。

5.He began examining nearby galaxies with a 10-inch refractor to see whether any stars had flared up.

他用口径10英寸的折射望远镜巡视邻近的星系，查看是否有恒星已经闪亮。

6.I remember as a child seeing them through my small backyard refractor and it was unmistakable.

我记得小时候用我的小折射镜看它们，是如此的明显。

7.You have to wonder if the designers have ever actually been near a working refractor...

你会好奇这个设计者是否真的靠近过一个可以工作的折射镜。

8.There are two types: the "obstacle array" and the "path length refractor."

主要有两种类型：障碍型和等长折射型。

9.The astronomer used a refractor to observe distant stars.

天文学家使用了一个折射望远镜来观察遥远的星星。

10.A refractor is often preferred for planetary observations due to its clear images.

由于其清晰的图像，折射望远镜通常被优先用于行星观测。

11.In photography, a refractor lens can help achieve sharper images.

在摄影中，折射镜头可以帮助实现更清晰的图像。

12.The refractor design minimizes chromatic aberration in telescopes.

折射望远镜的设计最小化了望远镜中的色差。

13.He bought a high-quality refractor for his astrophotography hobby.

他为自己的天文摄影爱好购买了一台高质量的折射望远镜。

作文

The night sky has always captivated human beings, inspiring countless generations to look up and ponder the mysteries of the universe. One of the most significant tools that have aided in this exploration is the telescope, specifically the type known as a refractor. A refractor is a telescope that uses lenses to bend and focus light, allowing astronomers to observe celestial objects in greater detail than the naked eye could ever achieve. The history of the refractor dates back to the early 17th century when notable figures like Galileo Galilei and Johannes Kepler began to develop and utilize these instruments. Galileo's initial designs utilized simple lenses, but it was through the work of these early astronomers that the potential of the refractor was realized. They were able to observe the moons of Jupiter, the phases of Venus, and the intricate details of the lunar surface, all thanks to the power of the refractor telescope. One of the key advantages of a refractor is its ability to produce sharp and clear images. The lenses in a refractor are designed to minimize chromatic aberration, which is a distortion that occurs when different colors of light do not converge at the same point. This means that astronomers can enjoy high-quality images without the color fringing that can plague other types of telescopes. As a result, the refractor has become a popular choice for both amateur and professional astronomers alike. However, the design of a refractor is not without its challenges. One significant drawback is the size and weight of the lenses required to gather enough light for deep-sky observations. Larger lenses can be expensive and difficult to manufacture, which limits the overall size of the telescope. Additionally, the longer focal lengths required for larger refractors can make them cumbersome to use, particularly for those who prefer portable equipment. Despite these challenges, the refractor remains a beloved instrument among many stargazers. Its elegant design and ability to provide stunning views of planets, star clusters, and even distant galaxies make it a staple in the world of astronomy. For those who appreciate the beauty of the night sky, owning a refractor can be a deeply rewarding experience. In recent years, advances in technology have led to the development of new materials and designs that enhance the performance of refractors. Modern telescopes often incorporate specialized coatings on their lenses to further reduce glare and improve light transmission. These innovations have allowed astronomers to push the boundaries of what is possible with refractors, enabling them to explore fainter and more distant objects than ever before. In conclusion, the refractor telescope has played a critical role in our understanding of the cosmos. From its historical roots in the hands of pioneering astronomers to its modern iterations that continue to inspire awe and curiosity, the refractor represents the enduring quest for knowledge about the universe. Whether one is an experienced astronomer or a curious novice, the refractor offers a gateway to the stars, inviting all who gaze through its lens to embark on their own journey of discovery.

夜空一直吸引着人类，激励着无数代人仰望星空，思考宇宙的奥秘。帮助我们探索宇宙的重要工具之一是望远镜，特别是被称为折射望远镜的类型。折射望远镜是一种利用透镜弯曲和聚焦光线的望远镜，使天文学家能够比肉眼更清晰地观察天体。 折射望远镜的历史可以追溯到17世纪初，当时伽利略·伽利莱和约翰内斯·开普勒等著名人物开始开发和使用这些仪器。伽利略的最初设计使用简单的透镜，但正是通过这些早期天文学家的工作，折射望远镜的潜力得以实现。他们能够观察到木星的卫星、金星的相位以及月球表面的细节，这一切都要归功于折射望远镜的力量。 折射望远镜的一个主要优点是它能够产生清晰、锐利的图像。折射望远镜中的透镜设计旨在最小化色差，即不同颜色的光在同一点不聚焦而造成的失真。这意味着天文学家可以享受高质量的图像，而不会出现其他类型望远镜常见的色彩边缘问题。因此，折射望远镜已成为业余和专业天文学家都喜爱的选择。 然而，折射望远镜的设计并非没有挑战。一个显著的缺点是所需透镜的大小和重量，以便收集足够的光线进行深空观测。较大的透镜可能昂贵且难以制造，这限制了望远镜的整体大小。此外，较大折射望远镜所需的长焦距可能使其使用起来笨重，特别是对于那些喜欢便携设备的人来说。 尽管面临这些挑战，折射望远镜仍然是许多星空观察者所钟爱的仪器。它优雅的设计和提供行星、星团甚至遥远星系的惊人视图的能力，使其成为天文学界的主力军。对于那些欣赏夜空之美的人来说，拥有一台折射望远镜可能是一种深具回报的体验。 近年来，技术的进步导致新材料和设计的发展，增强了折射望远镜的性能。现代望远镜通常在透镜上涂覆特殊涂层，以进一步减少眩光并改善光传输。这些创新使天文学家能够突破折射望远镜的可能性界限，使他们能够探索比以往任何时候都更微弱和更遥远的天体。 总之，折射望远镜在我们理解宇宙方面发挥了关键作用。从它在开创性天文学家手中的历史根源，到现代版本继续激发敬畏和好奇心，折射望远镜代表了对知识的持久追求。无论是经验丰富的天文学家还是好奇的初学者，折射望远镜都提供了一扇通向星空的门户，邀请所有透过其镜头凝视的人踏上自己的探索之旅。